How to use these notes
- First read the "Understand it in simple words" section like a story — understanding comes first.
- Check the meanings of the hard words, then lock in the exam keywords from the short notes.
- Link the facts with the memory trick.
- Attempt the MCQs without peeking; finally, revise with the Question Bank.
Part 1 — 9 chapters
Part 2 — 6 chapters
Theme I · Introduction
Understanding Social Science
What Social Science is, how it shows up in everyday life, and its four main branches — Geography, History, Political Science and Economics.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
Social Science — the 'science' of society
Physics, Chemistry and Biology study nature; Social Science studies human society — how people live together, how governments work, how people earn a living, and how the past shapes the present. In one line: 'the systematic study of human society'. It doesn't just tell you 'what happened' or 'where it is'; it also explains 'why it happened' and 'how everything is connected'.
Your day — full of Social Science
You wake up — your home is built from materials that came from many places. Your food — grown on a farm in another state, harvested, processed, trucked in, bought and sold. The road — built by a government department. Your school — run under an education policy. Electricity — comes from a distant power station through a huge grid. So even the smallest daily things depend on government, the economy, social cooperation and nature. And think about these questions: why do some people live in crowded cities and others in scattered villages? Why do some areas flood more often? Why is farming good in some places and poor in others? Society doesn't run by chance — it is shaped by history, geography, institutions, resources and human decisions.
India's old 'curiosity'
Our tradition had a habit of understanding the world through discussion, questions and reasoning. Panchamahabhuta — the world is made of 5 elements: Prithvi (earth), Apah (water), Agni (fire), Vayu (air), Akasha (space) — and humans are connected to them; this helps explain settlements, occupations, house design, food and health. Vasudhaiva Kutumbakam — 'the whole world is one family'. About 2,300 years ago, Kautilya's Arthashastra already had systematic thinking on administration, the economy, taxes and the duties of a king — long before today's subjects existed!
How do social scientists work?
They observe people's lives, conduct interviews and surveys, examine documents, compare different times and places — and build explanations based on evidence. This shows what lasts and what changes.
One drought, five viewpoints
Society is so complex that no single subject can explain it fully. Take a drought: its effect on crops (environment), a farmer's income (economy), government relief (politics), migration to cities (society), and old ways of coping with water shortage (culture). That is why Social Science is a family of connected subjects. In Classes 9–10 there are 4 main ones: Geography, History, Political Science, Economics. The others — Sociology, Philosophy, Anthropology, Psychology — come later.
Geography — 'where' and 'why there'
The location and spread of places, things and people, and the relationship between humans and nature. Two approaches: spatial (place and its importance) + temporal (change over time). Example: how India's long coastline increased contact with Africa, Europe and South-East Asia. Tools: maps, globes, atlases, GIS, infographics. NCERT's School Bhuvan portal — map your own village or city! Ahead you will study: how the Earth's surface forms, atmosphere and climate, oceans, biomes, biosphere reserves.
History — the story of the past, with evidence
India's oldest tradition is Itihasa-Purana: stories that carry both information and values. Modern historical writing relies more on empirical evidence (proof found through observation or experiment) — genetics, carbon-14 dating, archaeology. Sources: literary (Samaveda manuscript, Tirukkural palm-leaf), archaeological (sculptures, terracotta), epigraphic (writing on stone or metal — like Brahmi pillar inscriptions, Krishnadevaraya's Kannada inscription), numismatic (coins — Samudragupta's coin, Jahangir's zodiac coin with Sagittarius!), plus travel accounts, genealogical records (family trees) and folk tales.
Political Science — power and governance
The study of governance: how power is shared, how decisions are made, how policies are implemented; the Constitution, government, institutions, movements, foreign policy. A village's Panchayati Raj shows that power lives not only in government buildings but in social relationships. In India, politics was linked to dharma (moral duty), artha (economic welfare) and rajadharma (duties of a ruler) — the Vedas, Upanishads, Mahabharata, Shukraniti, Arthashastra. Lesson: power is a responsibility, not just a right.
Economics — limited resources, unlimited wants
How people and society use limited resources — what to produce, how to distribute. What should consumers buy, how much should producers make, how can governments balance growth, sustainability, efficiency and fairness. India was among the world's leading economies for centuries; colonial rule brought poverty, famine and the destruction of industry; after independence came rebuilding — today's focus is infrastructure, education, technology, reducing poverty, and an ageing population. The goal: sustainable development — meet today's needs without taking away the rights of future generations.
Why study it? — to become a thoughtful citizen
Home, water, roads, school, market, internet — all are systems built by society; Social Science tells you how they came to be and what they affect. Behind different languages and customs lie geography, history, culture and economy — understanding this brings respect and cooperation, and shows that beneath diversity there is a unity. You learn to ask the right questions about issues like the environment, health and jobs. This is not a subject to memorise — it is a subject for understanding people, places, society, culture and power!
Short notes for exams
- Social Science = the systematic study of human society; along with 'what', it asks 'why' and 'how things connect'.
- Natural sciences — nature; Social Science — society, institutions, culture, human relationships.
- Society is not shaped by chance — it is shaped by history, geography, institutions, resources and human decisions.
- Panchamahabhuta: Prithvi, Apah, Agni, Vayu, Akasha. Vasudhaiva Kutumbakam.
- Arthashastra (Kautilya, ~2,300 years ago) — administration, economy, taxes, duties of the king.
- Methods: observation, interview, survey, documents, comparison → evidence-based explanation.
- Drought example — environment, economy, politics, society, culture.
- 4 core subjects of Classes 9–10: Geography, History, Political Science, Economics; also Sociology, Philosophy, Anthropology, Psychology.
- Geography: spatial + temporal; tools — map, globe, atlas, GIS; NCERT's School Bhuvan portal.
- History: Itihasa-Purana tradition; modern — empirical evidence, genetics, carbon-14, archaeology.
- Sources: literary (Samaveda, Tirukkural), archaeological, epigraphic (Brahmi, Krishnadevaraya's Kannada inscription), numismatic (Samudragupta; Jahangir's Sagittarius coin), genealogical records, oral.
- Political Science: governance, power, Constitution, movements; Panchayati Raj; dharma, artha, rajadharma; Shukraniti, Mahabharata, Arthashastra; power = responsibility.
- Economics: limited resources; decisions of consumers, producers and government; colonial destruction → rebuilding; sustainable growth.
- Upcoming topics: biomes, Renaissance, Enlightenment, Industrial Revolution, civil society, GDP, Union Budget, entrepreneurship.
Practice MCQs tap an option to check instantly
Q1. Which is the most accurate definition of Social Science?
Answer & solution
Correct answer: (B) The systematic study of human society — It seeks to understand society, institutions, culture and relationships.
Q2. Which is NOT one of the Panchamahabhuta?
Answer & solution
Correct answer: (D) Iron — The five are: earth, water (Apah), fire, air, space.
Q3. What is the study of history through coins called?
Answer & solution
Correct answer: (B) Numismatics — A numismatic source = coins, currency, medals.
Q4. Writings on stone or copper plates are what type of source?
Answer & solution
Correct answer: (C) Epigraphic — Epigraphic — inscriptions.
Q5. Who is associated with the Arthashastra?
Answer & solution
Correct answer: (B) Kautilya — A ~2,300-year-old text on administration and the economy.
Q6. Which are the two approaches of Geography?
Answer & solution
Correct answer: (A) Spatial and temporal — Both place and time.
Q7. Which NCERT portal helps you map your own village or city?
Answer & solution
Correct answer: (C) School Bhuvan — School Bhuvan, developed with NRSC.
Q8. The impact of a drought on a farmer's income — which discipline's question is this?
Answer & solution
Correct answer: (B) Economics — Income and production belong to economics.
Theme G · Geography
Shaping of the Earth's Surface
The Earth's layers, plate tectonics, weathering and erosion, landforms made by rivers, wind, glaciers, waves and underground water, and the disasters linked to them.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
The Earth is 'alive' — always changing
The Earth's surface doesn't stay the same — forces from inside and outside keep reshaping it. Mountains, volcanoes, plains and valleys are landforms (natural features of the surface). The biggest key to understanding them is the theory of plate tectonics.
Inside the Earth — like an egg
Think of a boiled egg: thin shell, white part, yellow centre. The Earth also has three layers: the Crust (the top layer where we live — 30–40 km thick under continents, only 5–7 km under oceans), the Mantle (very thick and hot, ~2,900 km), and the Core (the innermost part — the outer core is liquid iron-nickel, the inner core is a solid, spinning ball of metal, the densest part). Crust + upper mantle = the Lithosphere (hard, ~100 km) — this is the layer broken into plates. Below it is the Asthenosphere — semi-molten, on which the plates 'float'.
Why do plates move? — like boiling lentils
The theory is linked to W.J. Morgan: the Earth's upper layer is divided into big and small plates that move a few cm every year. Types: continental (carrying continents), oceanic (under the sea floor), and mixed. Major plates: Pacific, Eurasian, African, North American, South American, Indo-Australian, Antarctic. Why do they move? Watch lentils boiling in a pot — hot lentils rise, cooler ones sink, and floating bits get pushed around. Similarly, convection currents in the mantle push and pull the plates.
Plate boundaries — three kinds of meeting
Convergent — two plates collide head-on: continent–continent → fold mountains (the Himalaya!); ocean–continent → the oceanic plate sinks → volcanoes and earthquakes. Divergent — plates move apart: magma rises and forms new crust — the Mid-Atlantic Ridge. Transform — plates slide past each other: crust is neither created nor destroyed, only earthquakes occur — the USA's San Andreas Fault. Most earthquakes and volcanoes occur around the Pacific — the 'Ring of Fire'.
India and earthquakes
India has also had major earthquakes — the 2001 Gujarat earthquake caused huge destruction. In a densely populated country, a big earthquake does great damage. In ancient times it was called 'bhukampa'; Varahamihira wrote a whole section in the Brihatsamhita — signs from air, rain, clouds, animal behaviour and planetary positions; he linked causes to four forces (Vayu, Agni, Indra, Varuna). India's only mud volcano is at Baratang (Andaman), where it is not fire but the pressure of underground gas that pushes out mud bubbles!
Weathering — breaking; Erosion — breaking and carrying away
Weathering = rock breaking into smaller pieces on the spot (nothing is carried away). Three types: physical (heat–cold, frost, wind causing expansion and contraction), chemical (water, air, acids changing minerals), biological (plant roots entering cracks and splitting rocks!). This forms soil. Erosion = the broken material being picked up by water, wind, ice or waves and carried elsewhere. If a farmer's fertile topsoil washes away, crops suffer; houses and roads along riverbanks get swept off. Old methods of prevention: contour trenches, bunding, terracing (stepped fields), check dams — from the Harappans to the Arthashastra, Krishiparashara and Vrikshayurveda; Nagaland's Zabo system.
A river's journey — from V to delta
The biggest 'sculptor' is flowing water. Upper course (steep slope): V-shaped valley, waterfall (hard rock on top, soft rock cut away below → sudden drop; tourism and electricity), rapids. Middle course: the river winds like a snake — a meander (cuts the outer bank, deposits soil on the inner); when a loop is cut off, the leftover lake is an oxbow lake; fertile floodplain. Lower course: the river slows, deposits silt → a triangular delta (rice, jute; fish; but flood risk — like the Sundarbans), levees. The Kallanai on the Kaveri — using a river for irrigation.
Waves and glaciers
By waves: beach (sand and pebble deposits — tourism, fishing, and protection from waves), sea cliff (steep wall), wave-cut platform, sea cave → caves from two sides join to form an arch → when the arch falls, a lone pillar remains, a stack. By glaciers (slow rivers of ice): U-shaped valley, cirque (bowl-shaped hollow), arete (knife-edge ridge), hanging valley, fjord (deep narrow valley filled by the sea — harbours). The rock and soil a glacier leaves behind = moraine (lateral — at the sides, terminal — at the end, medial — in the middle). The sudden flood at Chamoli (Uttarakhand) in Feb 2021 — can you think why it happened?
Wind and underground water
Wind (in deserts): yardang (long rock ridge carved by wind), ventifact (stone polished smooth by blowing sand), deflation hollow (a dip left when soil blows away — sometimes an oasis), desert pavement. Dunes: barchan (crescent), longitudinal, star (many arms), parabolic. Underground water (in limestone) — Karst topography: caves, stalactites hanging from the roof (remember — 'tites' hold on tight to the ceiling), stalagmites rising from the floor, sinkholes (ground collapse), underground rivers. All of these are agents of gradation — wearing down high places, filling low ones.
Landforms made history too
The fertile plains of the Ganga, Nile and Indus → farming and the first cities. The Himalaya stopped invasions, yet passes like the Khyber allowed trade. The Thar prevented large settlements but trade routes like the Silk Route were formed. Coasts and ports linked southern kingdoms with faraway lands.
4 disasters linked to landforms
Landslide — continuous rain makes soil heavy and slippery; earthquakes, steep slopes; human causes: deforestation, mining, road construction, poor drainage. Avalanche — heavy snow in a short time, sudden warming, strong wind, vibrations from skiing or trekking. GLOF (Glacial Lake Outburst Flood) — glaciers melt fast → the lake swells → the moraine 'dam' breaks → sudden destruction downstream. Dust storm — dry land, little vegetation, overgrazing, strong wind; more frequent with climate change. Lesson: understand the Earth's power and prepare in advance.
Short notes for exams
- Plate tectonics (W.J. Morgan) — the lithosphere is divided into several plates; plates move a few cm/year over the asthenosphere.
- Layers: crust (continents 30–40 km, oceans 5–7 km), mantle (~2,900 km), outer core (liquid Fe-Ni), inner core (solid, densest).
- Plate types: continental, oceanic, mixed. 7 major: Pacific, Eurasian, African, N. American, S. American, Indo-Australian, Antarctic.
- Cause: convection currents in the mantle.
- Convergent → fold mountains (Himalaya), subduction → volcanoes/earthquakes; Divergent → mid-ocean ridge (Mid-Atlantic Ridge); Transform → earthquakes (San Andreas Fault).
- Ring of Fire — around the Pacific. 2001 Gujarat earthquake.
- Varahamihira — signs of earthquakes in the Brihatsamhita (Vayu, Agni, Indra, Varuna). Baratang — India's only mud volcano.
- Weathering: physical, chemical, biological (only breaking). Erosion: water, wind, glacial, coastal (carrying away).
- Prevention: contour trenches, bunding, terracing, check dams; Nagaland — Zabo.
- Agents of gradation: running water, glacier, wind, waves, underground water.
- River: upper — V-valley, waterfall, rapids; middle — meander, oxbow lake, floodplain; lower — delta, levee, alluvial fan.
- Waves: beach, sand bar, cliff, wave-cut platform, cave, arch, stack.
- Glacier: U-valley, cirque, arete, hanging valley, fjord; moraine — lateral, terminal, medial.
- Wind: yardang, ventifact, deflation hollow, desert pavement; dunes — barchan, longitudinal, star, parabolic.
- Underground water (Karst): cave, stalactite (from above), stalagmite (from below), sinkhole/doline, underground river.
- Disasters: landslide, avalanche, GLOF, dust storm; Chamoli flood Feb 2021.
Practice MCQs tap an option to check instantly
Q1. What is the lithosphere made of?
Answer & solution
Correct answer: (A) Crust + upper mantle — This is the layer that is divided into plates.
Q2. What is the main cause of plate movement?
Answer & solution
Correct answer: (B) Convection currents in the mantle — Hot material rises, cool material sinks — a cycle.
Q3. The Himalaya was formed at which type of plate boundary?
Answer & solution
Correct answer: (C) Convergent — Collision of the Indian and Eurasian plates.
Q4. The San Andreas Fault is an example of which boundary?
Answer & solution
Correct answer: (C) Transform — The plates slide past each other.
Q5. Where is India's only mud volcano?
Answer & solution
Correct answer: (B) Baratang — On Baratang Island in the Andaman and Nicobar Islands.
Q6. Rocks breaking apart because of plant roots is which type of weathering?
Answer & solution
Correct answer: (C) Biological — Caused by living things — biological.
Q7. An oxbow lake forms from which river landform?
Answer & solution
Correct answer: (B) Meander — The bend gets cut off and separated.
Q8. What is the heap of rock and soil left behind by a glacier called?
Answer & solution
Correct answer: (B) Moraine — Lateral, terminal and medial moraines.
Q9. What is the formation hanging from the roof of a cave?
Answer & solution
Correct answer: (B) Stalactite — A stalagmite rises up from the floor.
Theme G · Geography
Atmosphere and Climate
The gases and 5 layers of the atmosphere, the elements of weather and climate, India's seasons, how the monsoon arrives, climate change and the carbon footprint.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
Earth's 'blanket' — the atmosphere
Clouds, sunshine, wind in the sky — all of this exists because of a blanket of air: the atmosphere. It is held in place by the Earth's gravity. It protects us from harmful rays like the Sun's ultraviolet rays and traps some of the heat to keep the temperature just right. Imagine there were no atmosphere: scorching heat by day, freezing cold at night, and not even air to breathe!
What is in the air?
Nitrogen 78%, Oxygen 21%, Argon 0.93%, Carbon dioxide 0.04%, and the remaining ~0.03% (helium, neon, krypton, xenon, ozone, hydrogen). Along with these there is water vapour (0.1–0.4%) — needed for clouds and rain — and tiny dust particles. The composition changes with height. Trick: out of 100 chairs, 78 belong to Nitrogen, 21 to Oxygen, and 1 to everyone else!
Five floors — the layers of the atmosphere
From bottom to top: (1) Troposphere (~12 km) — we breathe here; clouds, rain, fog, hail — all the weather is here; the higher you go, the colder it gets; its upper limit is the tropopause. (2) Stratosphere (up to 50 km) — no clouds or storms, so aeroplanes fly here; it holds the ozone layer — a filter for UV rays. Its limit is the stratopause. (3) Mesosphere (up to 80 km) — gets colder with height; meteors burn up here. (4) Thermosphere (80–700 km) — absorbs X-rays and UV and heats up rapidly; it sends radio waves back to Earth (the ionosphere is part of it); aurora (coloured lights near the poles — Aurora Borealis in the North, Australis in the South; 'aurora' means 'dawn' in Latin). (5) Exosphere — extremely thin air; helium and hydrogen escape into space. Note: temperature falls with height only in the troposphere and mesosphere.
Air pressure — why don't we feel it?
A heavy weight of air presses on us, yet we are not crushed — because air presses from all sides and the pressure inside our body is equally strong, so the two balance out!
Weather vs climate and the 5 elements
Weather = the condition hour by hour, day by day. Climate = the average over 30 years or more in a large region. Elements: (1) Temperature — the main cause is insolation (energy coming from the Sun), which decreases from the equator towards the poles → three zones: Torrid (23½°N–23½°S, hot), Temperate, Frigid (beyond 66½°). (2) Humidity — water vapour in the air; warm air can hold more vapour; clothes dry slowly and sweat does not evaporate. (3) Precipitation — drizzle, rain, snow, sleet, hail; most groundwater comes from rain. (4) Air pressure — highest at sea level; where a place is warm, air rises → low pressure (clouds, rain); where it is cold, air sinks → high pressure (clear sky). (5) Wind — always blows from high to low pressure; it is named by the direction it comes from (from the west = westerly).
Two winds of the seashore
Sea breeze — during the day (especially afternoon) land heats up quickly → low pressure over land → air moves from sea to land. Land breeze — at night land cools quickly → air moves from land to sea (weaker). That is why the weather on the coast stays pleasant. Wind speed: calm (0–1 km/h, smoke rises straight), light breeze (6–11, leaves rustle), strong breeze (39–49, hard to hold an umbrella), storm (103–117, destruction).
India's seasons — 4 by IMD, 6 by tradition
India's climate is tropical monsoon. IMD's 4 seasons: Winter (Dec–early April; Dec–Jan are the coldest, 10–15°C in the north-west), Summer/pre-monsoon (April–June; April is hottest in the south-west, May in the north; 32–40°C), Monsoon (June–Sept; south-west monsoon), Post-monsoon (Oct–Dec; the retreating monsoon). The traditional 6 seasons (about 2 months each): Vasanta (Chaitra-Vaishakh, Mar–Apr), Grishma (Jyeshtha-Ashadh, May–Jun), Varsha (Shravan-Bhadrapad, Jul–Aug), Sharad (Ashvin-Kartik, Sep–Oct), Hemanta (Margashirsh-Paush, Nov–Dec), Shishira (Magh-Phalgun, Jan–Feb). Each season even had its own ragas! The Arthashastra has records of measuring rainfall — for deciding taxes and relief.
Monsoon — the wind's yearly 'U-turn'
Monsoon = the reversal of wind direction with the season; from the Arabic 'mausim' (season). Ancient sailors used these winds for their voyages. South-west (summer) monsoon (June–Sept): in summer land heats up faster than the sea → low pressure over the subcontinent, higher pressure over the sea → moisture-laden air moves from sea to land → rain; this brings most of the year's rainfall. It reaches near Kerala around 1 June and covers the whole country by about 8 July; it retreats in Sept–Oct. North-east (winter) monsoon (Oct–Feb): land cools quickly → air moves from land to sea → generally dry; but it picks up moisture from the Bay of Bengal and brings rain to parts of Tamil Nadu, Andhra and Karnataka. Old knowledge: Krishiparashara (positions of the Sun and Moon) and Brihatsamhita (nakshatras — the 27 'houses of the Moon' in the sky) were used to predict rain; Kalidasa's Meghadutam describes the date the monsoon arrives in central India and the path of the clouds!
Monsoon = life
Most farming depends on the monsoon; a good monsoon means a good harvest and full reservoirs; festivals and jobs are tied to it too. Too much rain → floods; too little → drought. The government's National Monsoon Mission and 'Mission Mausam' aim to make the country 'Weather Ready' and 'Climate Smart'.
Climate change and your 'carbon footprint'
Climate change = a long-term change in weather patterns, mainly caused by humans — burning fossil fuels, cutting forests, industrial pollution → greenhouse gases (CO₂, methane, nitrous oxide, water vapour) increase and trap heat. Result: more floods and droughts, melting glaciers, rising sea levels, loss of living things; women and children are affected too. Carbon footprint = the total greenhouse gas released by your activities. Check it yourself: walking/cycling (low), bus/carpool (medium), a car even for short distances (high), 2+ flights a year (very high); switching off fans and bulbs, bathing with one bucket, refusing plastic. Write two small pledges and keep them!
Case study — Punjab floods 2025
Natural causes: very heavy monsoon + western disturbances; rain in Himachal and J&K too; the Satluj, Beas, Ravi and Ghaggar were already full. Human causes: old, weak embankments (dhussi bandh), houses and fields very close to rivers (no room for floodwater to spread), silt filling rivers and dams, warnings that came late or were unclear. Impact: lives lost, people in relief camps, paddy destroyed, dairy and poultry wiped out, roads and bridges broken, diseases from dirty water. Question: could better planning have reduced the damage? What do the NDMA flood guidelines say?
Short notes for exams
- Gases: N₂ 78%, O₂ 21%, Ar 0.93%, CO₂ 0.04%, others 0.03%; water vapour 0.1–0.4%.
- Layers: Troposphere (~12 km; weather; temperature falls; tropopause) → Stratosphere (50 km; ozone; aeroplanes) → Mesosphere (80 km; meteors burn) → Thermosphere (80–700 km; temperature rises rapidly; ionosphere; radio; aurora) → Exosphere.
- Temperature falls with height only in the troposphere and mesosphere.
- Aurora Borealis (North), Australis (South) — solar wind.
- Weather (daily) vs Climate (average of 30+ years).
- 5 elements: temperature (insolation; torrid/temperate/frigid zones), humidity, precipitation, pressure, wind.
- Warm → low pressure (clouds, rain); cold → high pressure (clear sky). Wind blows from high to low pressure; named by the direction it comes from (westerly).
- Sea breeze by day, land breeze at night.
- India = tropical monsoon. IMD's 4 seasons: winter (Dec–Apr), summer (Apr–Jun), monsoon (Jun–Sep), post-monsoon (Oct–Dec).
- 6 seasons: Vasanta, Grishma, Varsha, Sharad, Hemanta, Shishira.
- Monsoon — Arabic 'mausim'; SW monsoon (Jun–Sep, land heats up → low pressure; most rainfall); NE monsoon (Oct–Feb; moisture from the Bay of Bengal → TN, AP, Karnataka).
- Old knowledge: Krishiparashara, Brihatsamhita (nakshatras), Meghadutam (~5th c. CE), Arthashastra (rainfall measurement).
- National Monsoon Mission, Mission Mausam — 'Weather Ready, Climate Smart'.
- Climate change: GHGs — CO₂, methane, nitrous oxide, water vapour; floods, droughts, glaciers, sea level.
- Carbon footprint — score from transport, electricity, water, plastic.
- Punjab floods 2025: Satluj, Beas, Ravi, Ghaggar; western disturbances; weak dhussi bandh, encroachment, silt, late warnings.
Practice MCQs tap an option to check instantly
Q1. Which gas is found in the largest amount in the atmosphere?
Answer & solution
Correct answer: (B) Nitrogen — Nitrogen is ~78%.
Q2. In which layer does all the weather (rain, fog, hail) occur?
Answer & solution
Correct answer: (A) Troposphere — Almost all the water vapour and clouds are here.
Q3. In which layer is the ozone layer found?
Answer & solution
Correct answer: (B) Stratosphere — It filters out UV rays.
Q4. Where do most meteors burn up?
Answer & solution
Correct answer: (C) Mesosphere — The mesosphere lies between 50 and 80 km.
Q5. In which layer is the aurora seen?
Answer & solution
Correct answer: (B) Thermosphere — Particles of the solar wind collide with gases and glow.
Q6. Climate is the average of at least how many years?
Answer & solution
Correct answer: (C) 30 — 30 years or more.
Q7. What is the wind that blows from the sea to the land during the day?
Answer & solution
Correct answer: (B) Sea breeze — Land heats up quickly during the day.
Q8. Where does the north-east monsoon bring the most rain?
Answer & solution
Correct answer: (C) Tamil Nadu — It picks up moisture from the Bay of Bengal and rains on the eastern coast.
Q9. From which language does the word 'monsoon' come?
Answer & solution
Correct answer: (B) Arabic — 'Mausim' = season.
Q10. What was one human cause of the 2025 Punjab floods?
Answer & solution
Correct answer: (B) Weak dhussi bandh (embankments) — The other three are natural causes.
Theme H · History
Early Humans and Beginning of Civilisation
The first humans who left Africa, the 3 periods of the Stone Age, the Neolithic revolution, Mehrgarh to Harappa, and the Bronze Age civilisations of Mesopotamia, Egypt and China.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
History before writing
More than 99% of human history (from ~3 million years ago to 5,000 years ago) is before writing! We know about it only from tools, bones and objects (artefacts) — so the dates are estimates. After writing began (the last 5,000 years, <1%) we also get names, events, coronations and dates of wars. Among the oldest scripts is the Harappan (Indus script) — pictographic, but still undeciphered; Mesopotamia's cuneiform and Egypt's hieroglyphic have been read. From ~400 BCE there is Brahmi — Ashoka gave it a systematic form (on the railing of the Sanchi stupa).
Our ancestors — from Africa to the whole world
Biological evolution: from Australopithecines (australis = southern, pithecus = primate) slowly to today's Homo sapiens. Cultural evolution: surviving through tools and technology in a changing climate — the Quaternary period (the last 2.6 million years). The sequence: Homo habilis ('handy man' — Olduvai Gorge, Tanzania-Kenya; chopper tools) → Homo erectus (~2 million years ago; walked upright; handaxe, cleaver; the first to move out of Africa) → Neanderthal (Europe-SW Asia, until ~40,000 years ago) → Homo sapiens (in Africa ~300,000 years ago; moved out ~125,000 years ago; the only human species today). The first stone tools date to ~3.3 million years ago — the beginning of 'human behaviour'; that is why we are 'hominins' = tool-makers. Tools are 'extra-corporal limbs' (hands and feet outside the body!).
How do archaeologists find out?
Excavations turn up tools, bones, fossils (remains turned to stone over millions of years after being buried in the ground). Archaeologists even make and use such tools themselves to see how people lived long ago — like a detective putting evidence together!
Stone Age periods — Palaeo, Meso, Neo
Palaeolithic (palaeo = old, lithic = stone) — hunting-gathering, simple stone tools. The oldest settlement in India is ~2 million years old: Attirampakkam (TN) ~1.5–1.7 million years, Isampur (Karnataka) ~1.2 million years — handaxes, cleavers, scrapers, choppers (of quartzite, limestone); used for cutting meat, digging roots, cleaning hides, and breaking bones to get marrow. Later came smaller tools — scrapers, borers, sharp points (spear tips); then bow and arrow, blades, microblades; cave paintings, body painting, beads of stone, bone and shell; engraving on ostrich eggs with a burin. Homo sapiens spread to Australia and America between 50,000 and 12,000 years ago. Mesolithic (~12,000 years ago, warmer climate) — tiny microlith tools, fish as a main food, history's first population explosion; Bhimbetka (MP) — hundreds of painted rock shelters, a World Heritage Site.
Neolithic Revolution — the farming revolution
By understanding climate and food, humans began to domesticate animals and plants — they grew food instead of searching for it! That is why it is called a 'revolution', not just a 'change'. Farmers made tools for preparing and processing food, polished stone tools, different kinds of pottery, and the first villages — the foundation of cities. It did not happen everywhere at once: West Asia (wheat, barley), Africa (millet), India (millets; rice in the Ganga plains), China (millets; rice in the Yangtze). The sequence: Palaeolithic → Mesolithic → Neolithic → Chalcolithic (copper + stone) → Bronze Age (copper + tin) → Iron Age.
Mehrgarh — India's first farming village
Mehrgarh (Bolan river, in today's Pakistan) — the oldest Neolithic site and the first farming village, ~7000 BCE. Houses of sun-dried bricks, granaries, graves, ornaments of lapis lazuli, carnelian and shell; wheat and barley, sheep and goats, and the zebu (the humped Indian bull). By ~4000 BCE, copper — the Chalcolithic. By 2500 BCE Neolithic farming communities existed in most parts of the subcontinent; Sanganakallu (on a granite hill, ~2000 BCE).
From Early Harappan to Harappa
Copper tools + the fertile plains of the Indus and Ghaggar-Sarasvati → more produce and prosperity. At Bhirrana and Kunal the pre-Harappan phase may go back to 7000–5500 BCE! Pottery, beads, shell bangles, terracotta, copper — all show continuity; walled settlements, seals and perhaps the beginnings of the script also appear here — hence the name 'Early Harappan'. The sequence: Neolithic 7000 → Chalcolithic 4500 → Bronze 3300 → Mature Harappan 2600–1900 BCE → Late 1300 BCE. At Kalibangan a field has criss-cross furrows — two crops together, like today's Rabi-Kharif — a 5,000-year-old tradition! Weights were binary (1, 2, 4, 8, 16…) for small units and multiples of 10 for larger ones — a standard for trade.
Mesopotamia — 'the land between the rivers'
Four great Bronze Age civilisations arose in river plains: Harappa (Indus-Sarasvati), Mesopotamia (Euphrates-Tigris), Egypt (Nile), China (Huang He). Mesopotamia (Greek: 'land in the middle') — today's Iraq, Kuwait, and parts of Turkey and Iran; the Fertile Crescent. Four phases: Sumerian (Ur; first embankments and canals, sun-dried and baked bricks; the ziggurat — a stepped pyramid-shaped temple with the city built around it; ~3200 BCE the first writing, cuneiform — wedge-shaped marks on wet clay, Latin cuneus = wedge; the wheeled cart, sailing boat; counting in 60 → 60 minutes in an hour, 360° in a circle!), Akkadian (2334 BCE; the world's first dynastic empire; King Sargon's records mention trade with Dilmun (Bahrain), Magan (Oman) and Meluhha (= Harappa!)), Assyrian (2154 BCE, Assur), Babylonian (Hammurabi, 1792 BCE — the Code of Hammurabi, a collection of laws; declined after Hittite attacks). At the same time Harappa had gabarbands (check dams), Dholavira's reservoirs and the dockyard at Lothal! The Epic of Gilgamesh — among the oldest stories.
Egypt — 'Kemet', land of the black soil
The Egyptians called their country Kemet ('the black land') — the black fertile soil laid down by the Nile floods. Its history comes from papyrus (paper made by pressing the stems of the papyrus plant); the Papyrus Ebers has 700+ remedies; a library of 2000 BCE holds the oldest forms of 'Sindbad' and Cinderella! The Rosetta Stone (1799, Pierre Bouchard) has three scripts — one is Greek; in 1822 Champollion read the hieroglyphs. The calendar: 3 seasons × 4 months; 365 days (12×30 + 5), based on the star Sirius. Nile water was channelled into canals and reservoirs — through collective labour, local government arose. The Pharaoh was the king; mastabas stacked one on top of another → the pyramid (the step pyramid of Saqqara); mummification of the body for the ka (the soul's companion). The social pyramid: Pharaoh → officials and priests → landowners, craftsmen, traders → slaves. Women could own property; Cleopatra became queen at 18.
China — civilisation of the Yellow River
The Huang He (Yellow River) and the Yangtze; Neolithic ~7000 BCE; Bronze ~2000 BCE; cities ~1600 BCE. Dynasties: Shang (1600–1046 BCE), Zhou (1046–256 BCE; the king was also a priest, but could be removed if the people were unhappy!; officials were chosen through tests in archery, horse-riding, mathematics, writing and music), Qin (221–206 BCE; unified the country; the name 'China' probably comes from this), Han. The earliest information comes from oracle bones — bones or turtle shells heated until they cracked, and the cracks were used to foretell the future. The script is logographic — each sign stands for a whole word (man, tree). Objects of jade (even a jade fish that makes a sound!), bronze vessels. The Great Wall — from 680 BCE to the 17th century. Silk from the Neolithic period; under the Han so much trade took place that the route became the Silk Route. The first paper money and the civil service by examination — China's gifts to the world. Lesson: all civilisations arose separately in different river plains, yet all developed farming, cities, writing and administration.
Short notes for exams
- Before writing: >99% of history — only archaeological evidence. Harappan script (pictographic) — undeciphered; cuneiform and hieroglyphic were deciphered.
- Brahmi from ~400 BCE; formalised by Ashoka.
- Biological evolution: Australopithecines → Homo sapiens. Quaternary period = the last 2.6 million years.
- Homo habilis (Olduvai Gorge) → Homo erectus (~2 million years; handaxe, cleaver; first out of Africa) → Neanderthal (until ~40,000 years ago) → Homo sapiens (~300,000 years, Africa; moved out ~125,000 years ago).
- First stone tools ~3.3 million years ago; tools = 'extra-corporal limbs'.
- Periods: Palaeolithic → Mesolithic → Neolithic → Chalcolithic → Bronze → Iron.
- India: ~2 million years; Attirampakkam (TN, 1.5–1.7 million), Isampur (Karnataka, 1.2 million).
- Upper Palaeolithic: bow and arrow, blades, beads, cave paintings, burin.
- Mesolithic ~12,000 years ago: microliths, fish, first population explosion; Bhimbetka (MP).
- Neolithic Revolution: domestication, pottery, villages. Different times in different places.
- Mehrgarh (Bolan) ~7000 BCE; wheat, barley, zebu; ~4000 BCE copper (Chalcolithic). Sanganakallu ~2000 BCE.
- Early Harappan: Bhirrana, Kunal (7000–5500 BCE?); Mature 2600–1900 BCE. Kalibangan — double cropping. Binary weights.
- Mesopotamia: Sumerian (ziggurat, cuneiform ~3200 BCE, wheel, base-60), Akkadian (2334 BCE, Sargon; Dilmun, Magan, Meluhha), Assyrian (2154 BCE), Babylonian (Hammurabi 1792 BCE, Code).
- Harappa: gabarband, Dholavira tanks, Lothal dockyard.
- Egypt: Kemet; papyrus (Ebers); Rosetta Stone 1799, Champollion 1822; Sirius calendar of 365 days; Pharaoh, mastaba → pyramid (Saqqara); mummification (ka); Sed festival; Cleopatra.
- China: Huang He, Yangtze; Shang, Zhou, Qin (name China), Han; oracle bones; logographic; jade; Great Wall (680 BCE–17th c.); Silk Route; paper money, civil service by examination.
Practice MCQs tap an option to check instantly
Q1. Which was the first hominin to move out of Africa?
Answer & solution
Correct answer: (B) Homo erectus — About 2 million years ago, with handaxes and cleavers.
Q2. Which is one of India's oldest Palaeolithic sites (~1.5–1.7 million years)?
Answer & solution
Correct answer: (B) Attirampakkam — In Tamil Nadu.
Q3. What is Bhimbetka famous for?
Answer & solution
Correct answer: (B) Painted rock shelters — In Madhya Pradesh — a World Heritage Site.
Q4. Which is the oldest Neolithic farming village of the subcontinent?
Answer & solution
Correct answer: (C) Mehrgarh — On the Bolan river, ~7000 BCE.
Q5. Which age used both copper and stone?
Answer & solution
Correct answer: (B) Chalcolithic — Chalco = copper.
Q6. Whom did Mesopotamian records call 'Meluhha'?
Answer & solution
Correct answer: (C) The Indus-Sarasvati civilisation — Dilmun = Bahrain, Magan = Oman.
Q7. Who created the cuneiform script?
Answer & solution
Correct answer: (B) Sumerians — ~3200 BCE, on clay tablets.
Q8. The Code of Hammurabi is associated with which civilisation?
Answer & solution
Correct answer: (B) Babylonian — Hammurabi ruled from 1792 BCE.
Q9. What helped in reading Egyptian hieroglyphs?
Answer & solution
Correct answer: (B) Rosetta Stone — It also had Greek written on it; Champollion read it in 1822.
Q10. From which dynasty did the name 'China' probably come?
Answer & solution
Correct answer: (C) Qin — The Qin (Ch'in) unified the country.
Theme H · History
State and Society up to 1000 CE
From the Vedic jana to mahajanapadas and empires — sabha-samiti, the duties of a king, administration, dharma, varna and jati, women, education and the economy.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
Society and State — what is the difference?
Society = a web of relationships among people who share a place, a culture and a sense of 'belonging' — institutions like the family and marriage; it runs mainly on customs and traditions. State = an organised political system run on rules and laws — the rights and duties of rulers and subjects, the ways of governing, and the institutions that enforce laws. What makes this period special: from the 2nd millennium BCE we have written and oral texts like the Rigveda, which together with archaeology give us the full picture.
The four Vedas and their four parts
Rigveda — the oldest; 1,028 suktas; praise of the gods and deep thoughts on creation, birth and death. Yajurveda — the procedure of yajna, explained in prose. Samaveda — the mantras of the Rigveda arranged for singing; the foundation of the seven notes of Indian music! Atharvaveda — mantras for removing evil and curing physical and mental illnesses. Each Veda has 4 parts: Samhita (mantras), Brahmana (prose explanation of rituals), Aranyaka (aranya = forest; the thoughts of forest-dwelling sages), Upanishad (Atman and Brahman). Note: Brahman = an idea, Brahmana = a text, Brahmin = a varna! The Rigveda was composed in Sapta-Sindhu (the Indus, its 5 tributaries, and the Sarasvati); its date is debated (5th to 2nd millennium BCE).
Vedic politics — a king, but also assemblies
Society was organised in janas (clans) — about 30 in the Rigveda; five together formed the Panchajana: Yadu, Turvasha, Puru, Anu, Druhyu. The name 'Bharata' also comes from the Bharata jana. The king = head of the clan — leading in war, giving protection. Three assemblies: Sabha — small, of chosen distinguished people, on policy and politics; Samiti — large, an assembly of the people, discussing war and politics; Vidhata — a public gathering, doing the work of justice. Just as Parliament today keeps a check on the PM, so the assemblies then checked the king — the idea of people's participation is very old!
Iron changed the game — janapada to mahajanapada
In the 1st millennium BCE settlements grew in the Ganga region — iron tools, more grain, PGW (Painted Grey Ware) pottery; in the middle Ganga, shiny black NBPW (Northern Black Polished Ware). Then came the Janapada ('where the jana set foot') — identity with land along with kinship (~1000–600 BCE). From ~600 BCE–300 CE there were 16 Mahajanapadas — Kamboja, Gandhara, Matsya, Kuru, Shurasena, Panchala, Vatsa, Kosala, Kashi, Malla, Vrijji, Magadha, Anga, Chedi, Avanti, Ashmaka. Magadha (Bihar) was the most powerful → the Maurya empire. Two kinds: rajya (monarchy) and gana/sangha (republic). In the Deccan, after the Mauryas came the Satavahanas (~500 years). In the south, the Cholas (tiger emblem), Cheras/Keralaputras (bow), Pandyas (fish), Satiyaputras — the 'Vendars of Tamilakam'; our information comes from Sangam literature (300 BCE–300 CE).
The king's duties and the dream of the 'chakravarti'
Arthashastra: 'if the king himself is hard-working, only then do his officials work hard'. The Yajurveda's coronation oath: impartial justice to the strong and the weak, protection from dangers, the welfare of the people. The Mahabharata's Shanti Parva — moral conduct. The king was usually hereditary, but there are examples of kings being chosen or removed — power was not absolute. The identity of the whole subcontinent: Jambudvipa, Bharatavarsha, the Ashvamedha-Rajasuya yajnas, Prithivi, the chakravarti region. Ashoka: through my efforts a spiritual change came in 'Jambudvipa'. Arthashastra: Prithivi = from the Himalayas to the sea = the domain of the chakravarti (supreme emperor). The Chera king Nedunjeral Adan claimed conquest up to the Himalayas; the Chola Rajendra I — 'Gangaikonda'.
Saptanga and the council of ministers
Kautilya's state is a living body — 7 limbs (Saptanga): swami (king), amatya (ministers and officials), janapada (land + people), durga (fortified cities), kosha (treasury), danda (army, law), mitra (friendly states). 'One wheel cannot drive a cart' — the king did not rule alone but with a council of ministers (treasurer, chief tax officer, legal adviser, commander); Ashoka's inscription mentions the council taking decisions in the king's absence! The Junagadh inscription (Girnar) — three dynasties on a single rock: Ashoka (Prakrit, dhamma), Rudradaman I (~150 CE, Sanskrit; repair of Sudarshana lake), Skandagupta (5th century; repaired again) — ~700 years of history on one stone!
Administration — from province to village
Satavahanas: ahara (division) → village (gramika as head). The district officer (pradeshika) took advice from bankers, caravan leaders, craftsmen and scribes. 300–800 CE decentralisation: province — bhukti in the north, mandalam in the south; division — vishaya/bhoga vs kottam/valanadu; district — adhishthana/pattana vs nadu; sub-district — vithi vs pattala/kurram; the lowest level the village. Guptas: a new minister, the sandhivigrahika ('war and peace'), and the kumaramatya; the Damodarpur copper plates — the district office had 5 members: chief officer, chief banker, chief caravan trader, chief craftsman, head of the scribes! Pallavas — tax-free Brahmadeya villages; the village assembly had committees called variyam. Chalukyas (Badami) — agraharam (Aihole and Badami were centres of learning). The tripartite struggle for Kannauj (Pratiharas, Palas, Rashtrakutas). Cholas: mandalam → valanadu → nadu → ur. Uttaramerur (Parantaka I, 10th century) — kudavolai (the pot-ballot): names written on palm leaves, a child draws one out; the candidate must have 'honestly earned' income.
Dharma — 'that which sustains all'
The foundation of law and life is morality. Samatva — all bodies are made of the same substance, all consciousness is a form of one supreme consciousness; a good king is one who works for 'the welfare of all beings'. Rita — in the Rigveda, the order of the universe, the balance of nature and society. Dharma does not mean 'religion' but duty, justice, right conduct; the word comes from 'dhri' (to sustain) — the same root as 'dharati' (the Earth)! Bhishma: 'that which sustains living beings is dharma'; 'the dharma of iron is to sink, of wood to float'. In Pali, dhamma — Ashoka spread moral conduct, non-violence and compassion. Kamandaka's Nitisara, Banabhatta's Kadambari.
Varna, jati and changing occupations
At first, identity came from many things — race, region, village, gotra, language, and above all occupation; occupation was flexible. Rigveda 9.112.3: 'I am a poet, my father a physician, my mother grinds grain' — different occupations in one family! The first mention of the four varnas is the Purushasukta (Rigveda Book 10). Varna was based on function — knowledge at the top, then political power, then wealth. Sutta Nipata: 'no one is a brahmin by birth, but by deeds'. Slowly the flexibility lessened and jati formed (through marriage within the group, endogamy, and region) — varnas are only 4, jatis countless. Social mobility: the Nandas, Mauryas, Shungas, Satavahanas, Guptas — kings of different backgrounds; the Mandsaur inscription (473 CE) — silk weavers who came from Gujarat also knew archery and astrology! Sangam's Tolkappiyam — Arasar (kings), Vanigar (traders), Velar (farmers), Antanar.
Family, ashramas and purusharthas
The ladder: kula (family) → grama → vish (vishpati) → jana (king). Gotra — a paternal lineage identity linked to one sage. The 4 ashramas of life: brahmacharya (student), grihastha (householder), vanaprastha (forest-dweller), sanyasa (renunciate); and the 16 samskaras. The four purusharthas: dharma, artha, kama, moksha — wealth (artha) is good, if earned by the path of dharma.
Women — from Vedic rishikas to a Chola queen
In the Vedic period women studied, performed some rituals, took part in chariot races and went to the sabha. Some suktas of the Rigveda are by women rishikas: Apala, Vishvavara, Ghosha, Lopamudra; the goddesses Usha, Aditi. Manusmriti: 'where women are honoured, there the gods are pleased'. Their status rose and fell with time. Prabhavati Gupta (regent, granted land in her own name), women donors in votive inscriptions. Sangam: farming, herding, spinning, fishing, salt-making; the poet Avvaiyar, the potter-poet Vennikuyattiyar. The Chola queen Sembiyan Mahadevi — built temples.
Religion, bhakti and education
Vedic gods are linked to nature — the Sun, rain, fire, Earth, dawn; even today Sun worship at Chhath and Makar Sankranti. Nature = sacred, not just a resource. In the mid 1st millennium BCE came renunciants — parivrajakas, bhikshus, shramanas; the Buddha, Mahavira. Then personal deities like Vishnu, Shiva, Shakti → Bhakti — without complex rituals, for everyone; in the 6th century in the Tamil region the 12 Alvars (Vishnu) and 63 Nayanars (Shiva). Education: truth, patience, humility, self-control; the Vedas, grammar, logic, mathematics, medicine, astronomy + music, dance, painting, archery, yoga. The guru-shishya tradition — the gurukul. Centres: Takshashila, Nalanda (427 CE), Vallabhi (480 CE), Vikramashila, Kanchipuram, Sharada Peeth… Works: Panini's Ashtadhyayi, Pingala's Chhandashastra, the Charaka and Sushruta Samhitas, Kalidasa, the Tirukkural, the Silappadikaram and Manimekalai.
Economy — farming, irrigation, trade, guilds
Mauryas: the land tax was generally 1/6; pastures were shared; some forests were protected by law. The Milindapanho — 8 stages of farming; the Deccan's black soil → cotton; the Amarakosha has a chapter on forests, crops and manure; Cheras — jackfruit, black pepper, turmeric. Irrigation: Chandragupta's governor Pushyagupta built a dam on the Sudarshana lake; Karikala's Kallanai is still in use. Routes: Uttarapatha, Dakshinapatha; ports: Muziris, Kaveripattinam, Arikamedu, Masulipatnam; trade reached Rome. Guilds (shreni) — 18 kinds in the Jatakas; they fixed quality and prices, had a guild court, and did bank-like work! The Nashik inscription — Ushavadata deposited 3,000 karshapanas with a weavers' guild, and the interest ran a monastery. On a gateway at Sanchi an inscription of the ivory-workers of Vidisha — they were the sculptors too!
Short notes for exams
- Timeline: 2000 BCE Vedic → 1000 BCE PGW/Iron, Megalithic → 600–300 BCE mahajanapadas → 321 BCE Maurya → 272–232 BCE Ashoka → 300 BCE–300 CE Sangam → 320–550 CE Gupta → 750–1161 Pala, 753–982 Rashtrakuta, 730–1036 Pratihara → 985–1014 Rajaraja I.
- Rigveda — 1,028 suktas; Sapta-Sindhu; Yajur (yajna), Sama (seven notes), Atharva (curing illness). 4 parts: Samhita, Brahmana, Aranyaka, Upanishad.
- Panchajana: Yadu, Turvasha, Puru, Anu, Druhyu. King = head of the clan. Sabha, Samiti, Vidhata.
- Iron + PGW + NBPW → change in the Ganga region. Janapada (~1000–600 BCE) → 16 mahajanapadas (600 BCE–300 CE); Magadha the most powerful.
- Rajya (monarchy) vs gana/sangha (republic). Satavahanas (2nd c. BCE–3rd c. CE). Cholas (tiger), Cheras (bow), Pandyas (fish) — Sangam.
- Duties of the king — Arthashastra, Yajurveda oath, Shanti Parva. Chakravarti idea: Jambudvipa, Bharatavarsha, Ashvamedha, Rajasuya, Prithivi = Himalayas to the sea. Nedunjeral Adan; Rajendra I 'Gangaikonda'.
- Saptanga: swami, amatya, janapada, durga, kosha, danda, mitra. Council of ministers.
- Junagadh inscription: Ashoka + Rudradaman I (~150 CE) + Skandagupta — Sudarshana lake.
- Satavahanas — ahara, gramika; pradeshika. 300–800 CE: bhukti/mandalam, vishaya/valanadu, adhishthana/nadu, vithi/kurram, village.
- Guptas: sandhivigrahika, kumaramatya; Damodarpur plates (Kumaragupta I) — 5 members.
- Pallavas (c. 275–897): Brahmadeya, variyam. Chalukyas (c. 543–753): agraharam. Cholas: mandalam → valanadu → nadu → ur; Uttaramerur (Parantaka I) — kudavolai.
- Morality: samatva, rita, dharma (from dhri); dhamma (Ashoka). Nitisara (Kamandaka), Kadambari.
- Rigveda 9.112.3 — poet, physician, grinder — flexible occupations. Purushasukta — first mention of varna. Sutta Nipata: a brahmin by deeds. Jati — through endogamy, countless.
- Social mobility: Mandsaur inscription (473 CE) silk weavers; Karitalai plates — a brahmin as land manager. Tolkappiyam, Pattinappalai.
- Kula → grama → vish → jana; gotra; 4 ashramas; 16 samskaras; 4 purusharthas.
- Women: Apala, Vishvavara, Ghosha, Lopamudra; Manusmriti 3.56; Prabhavati Gupta; Avvaiyar, Vennikuyattiyar; Sembiyan Mahadevi.
- Bhakti — 6th c. Tamil: 12 Alvars, 63 Nayanars. Shramana tradition.
- Centres of learning: Takshashila, Nalanda 427 CE, Vallabhi 480 CE, Vikramashila (783–820), Kanchipuram, Sharada Peeth.
- Economy: land tax 1/6; Milindapanho (8 stages), Amarakosha; Pushyagupta — Sudarshana dam; Kallanai.
- Trade: Uttarapatha, Dakshinapatha; Muziris, Kaveripattinam, Arikamedu, Masulipatnam. Guilds — 18; Nashik inscription (Nahapana, Ushavadata — 3,000 karshapanas); Sanchi — Vidisha ivory-workers' guild.
Practice MCQs tap an option to check instantly
Q1. How many suktas are there in the Rigveda?
Answer & solution
Correct answer: (B) 1,028 — 1,028 suktas.
Q2. Which Veda is considered the foundation of the seven notes of Indian music?
Answer & solution
Correct answer: (C) Samaveda — The mantras of the Samaveda were arranged for singing.
Q3. Which is NOT part of the Panchajana?
Answer & solution
Correct answer: (C) Bharata — The five: Yadu, Turvasha, Puru, Anu, Druhyu.
Q4. Which Vedic assembly mainly did the work of justice?
Answer & solution
Correct answer: (C) Vidhata — Vidhata — a public gathering, judicial work.
Q5. The Junagadh inscription carries records of which three rulers?
Answer & solution
Correct answer: (A) Ashoka, Rudradaman I, Skandagupta — ~700 years of history on one rock.
Q6. What was the new 'war and peace' minister of the Gupta period called?
Answer & solution
Correct answer: (B) Sandhivigrahika — Sandhi (peace) + vigraha (war).
Q7. What were the tax-free villages of the Pallava period called?
Answer & solution
Correct answer: (B) Brahmadeya — Under the Chalukyas, agraharam.
Q8. Where is the very first mention of the four varnas found?
Answer & solution
Correct answer: (B) Purushasukta (Rigveda) — In Book 10 of the Rigveda.
Q9. What was the usual land tax in the Maurya period?
Answer & solution
Correct answer: (C) 1/6 — One-sixth of the produce.
Q10. What does the Nashik cave inscription tell us about guilds?
Answer & solution
Correct answer: (B) They took deposits and paid interest like banks — Ushavadata deposited money with the weavers' guild.
Theme P · Political Science
Democracy
The roots of democracy in the Vedic sabha-samiti; its principles, types, models around the world, India's 'living democracy', its challenges and our responsibility.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
What does democracy mean?
Democracy = a government in which the real source of power is the people. People choose their representatives through free and fair elections. Its foundation: freedom, equality, justice, rights and duties. India is the world's largest democracy — a population of over 140 crore and 96.8 crore voters (2024). Our democracy runs on the Constitution — adopted on 26 Nov 1949, in force from 26 Jan 1950.
The roots are very old
The idea of democracy did not suddenly arrive in India. In the Vedic period the Sabha, Samiti and Vidhata took decisions together. There were also Gana/Sangha (republics). The king did not rule alone — he took advice from the sabha, ministers and officials. The Rigveda's Aikyamatya Sukta says: 'may your counsel be one, your assembly be one, your mind be one' — that is, thinking together, discussion and unity. In the Buddha's Buddhist Sangha there was debate, a leader was chosen and decisions were taken by voting.
From slavery to the Constitution
Foreign invasions and then British rule took away people's participation. But the freedom struggle revived democratic ideas. In 1946 the Constituent Assembly was formed; in 2 years, 11 months and 18 days the world's longest written constitution was ready. Chairman of the Drafting Committee — Dr. B.R. Ambedkar. The Constitution was not made a rigid rule carved in stone but open to change — it can be amended under Article 368, but the core values are not broken.
Principles 1–2: The people are the rulers, law is supreme
Popular Sovereignty — the government's power comes from the people. Every citizen aged 18+ has the right to vote by secret ballot = Universal Adult Franchise. Rule of Law — no one is above the law; the same law for everyone. Disputes are settled in court by 'procedure established by law', not by force or status. Article 21: no one can be deprived of life or liberty except by a legal procedure. Remember two phrases: Equality before law (everyone is equal) and Equal protection of law (people in similar situations are treated alike).
Principle 3: The six Fundamental Rights
1) Equality (Art 14–18) 2) Freedom (19–22) 3) Against Exploitation (23–24) 4) Freedom of Religion (25–28) 5) Cultural and Educational (29–30) 6) Constitutional Remedies (Art 32). If a right is violated you can go to the court under Article 32 (Supreme Court) or 226 (High Court). These rights are enforceable in court, but with reasonable restrictions. The Right to Education (21A) was added in 2009 — free and compulsory education for children aged 6–14.
Principle 4: Division of powers
Three organs: the Legislature makes laws, the Executive implements them, the Judiciary interprets them. This stops power from piling up in one place — checks and balances. Parliament can amend the Constitution, but the court checks that this does not go against the spirit of the Constitution. The court can declare a wrong law unconstitutional. The Judiciary is impartial and independent; PIL (Public Interest Litigation) made justice easier for ordinary people. Think — what if a single organ made the laws, enforced them and also gave the verdict? Dictatorship!
Principles 5–7: Accountability, many parties, protecting the weak
Accountability & Transparency — the government answers to the people; checked through elections, debate and civil society. Under the RTI Act 2005 citizens can ask for government information. Parliament's Question Hour (the first hour) — asking questions keeps a watch on the government. Multi-Party System — many parties; the party or alliance that wins more than 50% of the seats forms the government; the largest opposing group = the opposition. Rules: Representation of the People Act, 1951. India has 2,800+ registered parties! Protecting weaker sections — Article 46: special care for the educational and economic interests of SCs/STs and other weaker sections.
Which institution protects which value
Making laws → Parliament/Vidhan Sabha/local bodies (representation, debate, disagreement). Elections → Election Commission (participation, equality). Justice → Courts (rule of law). Discussion → Media, civil society (freedom of expression). Accountability → CAG, CIC, Lokpal, CVC. Decentralisation → village and urban local bodies. Federalism → division of power between Centre and States (through a written constitution). The media is called 'the fourth pillar of democracy' — the voice of the people.
Types of democracy
Direct Democracy — citizens themselves take most decisions; difficult in a big country; example Switzerland. Representative (indirect) — people elect representatives, with elections from time to time; example India. Two forms of representative democracy: Parliamentary — the Executive (PM and ministers) is part of the legislature and answerable to it; people do not elect the executive directly — India, Canada. Presidential — the Executive is separate from the legislature; the people elect the President, who is answerable to them — USA. School example: all students voting in one place = direct; each class sending a representative = representative; only chosen candidates contesting and opposition being suppressed = not a real democracy!
Models around the world at a glance
India — parliamentary; President (Head of State), PM (Head of Government); written constitution, federalism. Canada — parliamentary; Governor-General (on behalf of the Monarch). UK — constitutional monarchy; the Monarch is Head of State, the PM is head of government; an unwritten constitution, Parliament is supreme. Switzerland — direct democracy; the Federal Council holds the executive power. USA — presidential; the President is also head of government; two big parties. Sovereignty — from the Latin superanus = 'supreme'.
India's 'living democracy' — look at the numbers
One MP represents about 25 lakh people (2019). Elections are held in 22 scheduled languages; election symbols so that even those who cannot read can vote on their own. 10 lakh+ polling stations — in mountains, forests, deserts, islands — sometimes even for a single voter! Most special of all — people of such great diversity (language, religion, economic condition) live within one democratic framework. These are not just numbers, they show people's continuous participation.
Democracy on the ground — stories of the Gram Sabha
Three levels: Union, State, Local. In the North-East, Autonomous District Councils (ADCs) have the power of law and justice to protect tribal customs. In the tribal areas of other states, the PESA Act 1996 makes the Gram Sabha the highest decision-making body. Jethipura (Gujarat) — won the Nanaji Deshmukh Rashtriya Gaurav Gram Sabha Puraskar in 2019; special Gram Sabha, Mahila Sabha, full quorum (minimum attendance). South Manubankul (Tripura) — a 'women-friendly panchayat'. Democracy is not only voting — it is also in cooperatives, trade unions and NGOs.
Women and the vote
Women got the full vote in Britain in 1928 and in the USA in 1920 — after a long struggle. In India everyone has had an equal vote since 1950 — without a movement for it! But an equal right to vote does not guarantee equal participation — social attitudes become a barrier. Article 243(d) — at least 1/3 of seats in the Panchayat for women; 21 states + 2 UTs have raised it to 50%. Article 243(t) — 1/3 in Municipalities; 17 states + 1 UT have 50% (2023).
Challenges and the lesson of the Emergency
Challenges: illiteracy, fake news (on social media), poverty, regionalism, gender inequality, discrimination, weak enforcement of law. Damaging public property, spreading rumours, indifference — all weaken democracy. Emergency 1975–77: imposed by the Indira Gandhi government in the name of 'internal disturbance'; most Fundamental Rights were suspended, there was press censorship, and leaders were arrested. The movement of Jayaprakash Narayan (Lok Nayak) united students in Bihar and Gujarat. In the 1977 election the ruling party lost — the power of democracy was seen. (Art 352 = National, 356 = President's Rule, 360 = Financial Emergency.)
You and democracy
A good citizen = an informed citizen — read the newspaper, watch the news, use the internet responsibly. Learn service and teamwork through NSS, NCC, Bharat Scouts & Guides. Understand the Constitution, follow the Fundamental Duties, become media literate (spot fake news), take leadership in your school and neighbourhood. Remember: the real strength of democracy is its citizens.
Short notes for exams
- Democracy = the people as the source of power; foundation — freedom, equality, justice, rights, duties. India: 96.8 crore voters (2024).
- Constitution adopted 26 Nov 1949, in force 26 Jan 1950; Constituent Assembly 1946; 2 years 11 months 18 days; Drafting Committee chairman Dr. B.R. Ambedkar; amendment Art 368.
- Ancient roots: Sabha, Samiti, Vidhata; gana-sangha; Aikyamatya Sukta (Rigveda 10.191.3); voting in the Buddhist Sangha.
- Principles: Popular Sovereignty (UAF, 18+, secret ballot) · Rule of Law (Art 21) · Fundamental Rights · Separation of Powers · Accountability (RTI 2005) · Multi-party (RPA 1951) · Weaker sections (Art 46).
- 6 Fundamental Rights: Equality 14–18, Freedom 19–22, Against Exploitation 23–24, Religion 25–28, Cultural-Educational 29–30, Constitutional Remedies 32 (+226 HC). RTE 21A (2009).
- Institutions: EC (elections), Courts (justice), CAG/CIC/Lokpal/CVC (accountability), local bodies (decentralisation). Media = 4th pillar.
- Types: Direct (Switzerland) vs Representative (India). Parliamentary (India, Canada, UK) vs Presidential (USA).
- UK — unwritten constitution, constitutional monarchy; Canada — Governor-General; Switzerland — Federal Council.
- Facts: 1 MP ≈ 25 lakh people; 22 languages; 10 lakh+ polling stations; 2,800+ parties.
- Grassroots: ADCs (North-East), PESA 1996, Jethipura (Gujarat, NDRGGSP 2019), South Manubankul (Tripura, women-friendly).
- Women's vote: UK 1928, USA 1920, India from 1950. Reservation: Panchayat 243(d), Municipality 243(t) — at least 1/3.
- Emergency 1975–77 — rights suspended, press censorship; JP movement; the government lost the 1977 election.
Practice MCQs tap an option to check instantly
Q1. On which day did the Constitution come into force?
Answer & solution
Correct answer: (C) 26 Jan 1950 — Adopted on 26 Nov 1949, in force from 26 Jan 1950.
Q2. Under which Article can the Constitution be amended?
Answer & solution
Correct answer: (C) Article 368 — Art 368 makes the Constitution flexible.
Q3. 'Universal Adult Franchise' means —
Answer & solution
Correct answer: (B) Every citizen aged 18+ has the right to vote — Everyone aged 18+, without discrimination.
Q4. In which Article is the Right to Constitutional Remedies?
Answer & solution
Correct answer: (D) 32 — Art 32 — Supreme Court; Art 226 — High Court.
Q5. Which country is an example of direct democracy?
Answer & solution
Correct answer: (C) Switzerland — In Switzerland citizens take decisions directly.
Q6. Which country has an unwritten constitution?
Answer & solution
Correct answer: (D) United Kingdom — UK — unwritten constitution, constitutional monarchy.
Q7. When did the RTI Act come into force?
Answer & solution
Correct answer: (B) 2005 — Right to Information Act, 2005.
Q8. In which Article is the 1/3 reservation for women in Panchayats?
Answer & solution
Correct answer: (A) 243(d) — 243(d) Panchayat; 243(t) Municipality.
Q9. Which is the highest decision-making body under the PESA Act (1996)?
Answer & solution
Correct answer: (B) Gram Sabha — Power given to the Gram Sabha in tribal areas.
Q10. Who was the 'Lok Nayak' of the movement against the Emergency of 1975–77?
Answer & solution
Correct answer: (B) Jayaprakash Narayan — JP united students in Bihar and Gujarat.
Theme P · Political Science
Elections
Why elections are essential, the ways of turning votes into seats (FPTP, PR, STV), election laws, Delimitation, the Election Commission, political parties and challenges.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
Why elections? — the class representative story
Imagine that in Class 8, Gurmat was elected CR (class representative). Should she stay CR in Class 9 without a new election? No! In the same way, a government cannot continue after its term ends without asking the people. And if only one party contested, what would be the point of an election? The most important part of democracy = periodic elections (held again and again at fixed intervals). They give us — Accountability (answerability), Representation, Legitimacy (the government's acceptance as rightful) and Equality (every vote counts equally).
Direct and Indirect elections
Direct — citizens vote and choose directly: Lok Sabha, Vidhan Sabha, Panchayat/Municipal Corporation — every 5 years. Indirect — citizens choose representatives, and those representatives then choose the leaders: President, Vice President, Rajya Sabha. An interesting word: Psephology = the scientific study of elections; Greek psephos = pebble — in ancient Greece, votes were cast with pebbles!
How do we turn votes into seats? — three methods
Imagine three make-believe countries. Haritbhumi — FPTP (First-Past-The-Post): in each constituency, whoever gets the most votes wins, even if it is below 50%. Party A 40%, B 35%, C 25% → A wins. Ratnadweep — Majority system: to win you need more than 50%; if no one gets it, the top 2 go to a second round. In Round 2, Y won with 55%. Swarnalok — PR (Proportional Representation): people vote for a party, and seats are given in proportion to votes — M 40%, N 35%, O 15%, P 10% → out of 100 seats: 40, 35, 15, 10. Power is shared among all.
Which method does India use?
The framers of the Constitution chose FPTP — for the Lok Sabha and Vidhan Sabha. Rajya Sabha, President, Vice President — through PR. Six states have two houses (bicameral) — Andhra Pradesh, Bihar, Karnataka, Maharashtra, Telangana, Uttar Pradesh. The upper house = Vidhan Parishad; the lower = Vidhan Sabha. Members of the Vidhan Parishad are chosen by the Vidhan Sabha, local bodies, and graduates and teachers; some are nominated by the Governor from art, science, social service, literature and the cooperative movement. Its election uses STV (Single Transferable Vote).
STV — the vote with preferences
The voter gives candidates preferences 1, 2, 3… First, the first preferences are counted. Anyone who crosses the quota is elected. Quota = (total valid votes ÷ (seats to be filled + 1)) + 1. The candidate with the fewest votes is eliminated, and their votes are transferred to the second preference marked on those ballots. This continues until all seats are filled. So your vote is not wasted — it gets 'transferred' onward!
Election laws
RPA 1950 (Representation of the People Act) — allocation of seats, boundaries of constituencies (delimitation), preparing and correcting the voter list, and the right of all aged 18+ to vote without discrimination. RPA 1951 — everything else: nomination, campaigning, voting, election disputes; also the list of corrupt practices — gifts or promises in exchange for votes; asking for votes in the name of religion, caste, race, community or language; taking help from government employees (gazetted officers, judges, army, police, excise). The third law: the Presidential and Vice-Presidential Elections Act, 1952.
Delimitation — why boundaries change
Constituency boundaries are not fixed — they change when the population changes. Otherwise one MP would represent 5 lakh people and another 25 lakh — and equality would be lost! Delimitation = deciding the number and boundaries of Lok Sabha and Vidhan Sabha seats in each state, so that the seat : population ratio stays roughly equal. A Delimitation Commission is set up under Article 82. So far there have been four — 1952, 1963, 1973, 2002.
Election Commission of India (ECI)
The ECI is an independent, permanent, constitutional body — set up on 25 January 1950. Articles 324–329. It conducts the elections to the Lok Sabha, Rajya Sabha, Vidhan Sabha, Vidhan Parishad, President and Vice President. At the state level there is a Chief Electoral Officer; in a district the DM, SDM and Tahsildar act as District Election Officer, Returning Officer and Electoral Registration Officer. 25 January = National Voters' Day — the voters' pledge: we will vote without fear, greed, or the influence of religion or caste.
Work of the ECI 1: Voter list and dates
Electoral roll — enumerators are sent door to door to collect data on eligible voters; a list is made for each polling station. Name not on the list = no vote! SIR (Special Intensive Revision) — updating, checking and correcting the list: adding new 18-year-olds; removing names of the dead, those who have moved, duplicates and untraceable voters; a chance to file claims and objections, then the final list. Dates — when 5 years are complete or the house is dissolved; note: weather, crop season, exams, festivals.
Work of the ECI 2: Parties, symbols, fairness
Only registered parties can contest; independent candidates can too. The ECI asks parties to hold internal elections (inner-party democracy). Categories of parties: National, State, Registered-Unrecognised (RUPP). National and State parties get election symbols. In symbol disputes, the ECI acts quasi-judicially (like a court). Including everyone: voting from home for 85+ senior citizens and those with 40%+ disability — across the country for the first time in 2024; EVMs with Braille, wheelchairs, and care for PVTG and transgender voters.
Digital tools of the ECI
ETPBS — electronic postal ballot for service voters (army, etc.), from anywhere. Voter Helpline App — registration, corrections, information. Saksham — for voters with disabilities. cVIGIL — report a violation of the Model Code of Conduct immediately; the flying squad reaches the location. Suvidha — nomination forms for candidates and permission for rallies and loudspeakers. ERONET — forms and e-roll database. Sugam — accounting for vehicles used in elections. IEVP — cooperation with foreign election bodies; 28 EMBs + MoUs with IFES, International IDEA and the UN.
Political parties — the backbone of democracy
Voters learn about candidates, their policies and vision mostly through parties. Parties: organise public opinion, raise issues, prepare a manifesto, contest elections; the winning party forms the government, and the losing ones become the opposition and hold it accountable. India has a multi-party system — a mirror of the country's diversity of language, culture, religion and region. 1967 — the end of one-party dominance and the start of the era of coalitions; 1977 — the Janata Party, the first coalition government at the Centre. Later came the NDA (led by the BJP) and the UPA (INC; dissolved in 2023 and replaced by the INDIA alliance).
Defection and the law
Winning on one party's ticket and then leaving the party, or voting against the party's instruction (whip) = Defection. Some call it opportunism, others the voice of conscience. The Anti-Defection Law — 1985, 52nd Amendment — a member who does this can be disqualified; the decision is made by the Speaker/Chairman. Aim: stability in government.
National vs State party — conditions for recognition
National party (any one): 6% votes in 4+ states + 4 seats in the Lok Sabha; or 2% of Lok Sabha seats, from at least 3 states; or recognised as a State party in 4 states. State party (any one): 6% votes + 2 seats in the Vidhan Sabha; or 6% votes + 1 seat in the Lok Sabha from that state; or 3% of Vidhan Sabha seats or 3 seats (whichever is more); or 1 seat for every 25 Lok Sabha seats; or 8% votes. All others = RUPP.
Challenges and solutions
96.8 crore voters, lakhs of booths, hundreds of parties — a huge task. Challenges: misinformation, fake news, intimidation, money power. Solutions: RPA 1950-51, the Model Code of Conduct, EVMs, VVPAT (a slip showing your vote), awareness campaigns. A topic for debate: 'One Nation, One Election' — think about both its benefits and its limits. Voting is both a right and a duty — elections are the soul of democracy.
Short notes for exams
- 4 benefits of elections: Accountability, Representation, Legitimacy, Equality.
- Direct: Lok Sabha, Vidhan Sabha, local bodies (5 years). Indirect: President, VP, Rajya Sabha.
- Psephology — Greek psephos = pebble.
- FPTP → Lok Sabha, Vidhan Sabha. PR → Rajya Sabha, President, VP. STV → Vidhan Parishad.
- Bicameral states (6): AP, Bihar, Karnataka, Maharashtra, Telangana, UP.
- Majority system: 50%+ needed, otherwise a second round between the top 2.
- RPA 1950 — seats, delimitation, voter list. RPA 1951 — nomination, campaigning, voting, disputes, corrupt practices. Presidential & VP Elections Act 1952.
- Delimitation — Art 82; commissions: 1952, 1963, 1973, 2002.
- ECI — set up 25 Jan 1950; Art 324–329; 25 Jan = National Voters' Day.
- Work of the ECI: electoral roll + SIR, schedule, party registration + symbols, fair elections, voting from home (85+, 40% PwD — 2024).
- Apps: ETPBS, Voter Helpline, Saksham, cVIGIL, Suvidha, ERONET, Sugam. IEVP — 28 EMBs + IFES, IDEA, UN.
- Anti-Defection Law — 1985, 52nd Amendment; decision by Speaker/Chairman.
- Coalitions: began 1967; 1977 Janata Party; NDA (BJP), UPA (INC) → 2023 INDIA.
- National party: 6% votes in 4 states + 4 LS seats / 2% LS seats from 3 states / State party in 4 states.
Practice MCQs tap an option to check instantly
Q1. Which system is used for Lok Sabha elections?
Answer & solution
Correct answer: (B) First-Past-The-Post — In FPTP, the candidate with the most votes wins.
Q2. Whose election is INDIRECT among these?
Answer & solution
Correct answer: (D) Rajya Sabha — President, VP and Rajya Sabha are elected indirectly.
Q3. The word 'Psephology' comes from which Greek word?
Answer & solution
Correct answer: (B) Psephos — pebble — In ancient Greece, votes were cast with pebbles.
Q4. Which of these states does NOT have a Vidhan Parishad?
Answer & solution
Correct answer: (C) Rajasthan — The six states: AP, Bihar, Karnataka, Maharashtra, Telangana, UP.
Q5. Which law contains the provisions for preparing the voter list?
Answer & solution
Correct answer: (A) RPA 1950 — RPA 1950 — seats, delimitation, electoral roll.
Q6. Under which Article is the Delimitation Commission set up?
Answer & solution
Correct answer: (A) Article 82 — Art 82; four commissions so far.
Q7. When was the Election Commission of India set up?
Answer & solution
Correct answer: (C) 25 Jan 1950 — That is why 25 Jan = National Voters' Day.
Q8. The app for reporting violations of the Model Code of Conduct —
Answer & solution
Correct answer: (B) cVIGIL — cVIGIL — report within minutes, and the flying squad arrives.
Q9. Which amendment brought in the Anti-Defection Law?
Answer & solution
Correct answer: (B) 52nd (1985) — 1985, 52nd Constitutional Amendment.
Q10. For whom was voting from home made available across the country in 2024?
Answer & solution
Correct answer: (B) Senior citizens aged 85+ and those with 40%+ disability — For the first time in the 2024 General Elections.
Theme E · Economics
Building Blocks in Economics: The Problem of Choice
Wants are unlimited, resources are limited — so we must choose; opportunity cost, PPC, the three basic questions and the three economic systems.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
Everyday choices are Economics
Should you spend your pocket money on snacks or save it for shoes? The library has 5 copies of a book and 20 children want to read it — who gets it first? Which crop should a farmer sow — after looking at the soil, the rain and the market? Should a company hire more workers or buy a machine? Should the government build a highway or a hospital? All of these are economic choices — individuals, companies and governments all have to make them.
Needs vs Wants
Needs — things without which it is hard to live: food, water, shelter. Wants — things that are nice to have but not essential: gadgets, travel, expensive goods. Human wants are unlimited and keep changing — get a cycle and you want a bike, get a bike and you want a car! A Market = where goods and services are bought and sold — a real shop or online.
Resources are limited, uses are many
To fulfil wants we need resources — land, labour, capital, technology (the factors of production from Class 8). Resources can be natural (water, coal) or man-made (machines, technology) — but both are limited. And one resource has many uses: steel can be made into medical equipment, an aeroplane or a fridge — anything. Whether it is a home or a whole country, everyone has to decide how to use limited resources in the best possible way.
Opportunity Cost — the price of what you gave up
When you choose one option, you have to give up the others. The value of what you gave up = Opportunity Cost. Example: you have ₹100 — you bought a notebook, so you gave up saving for a racket; the racket savings are the opportunity cost of the notebook. Time is also a limited resource — if you played a game for 1 hour, that hour could have gone to studying! Every decision has a 'hidden cost'.
PPC — the farmer's barley and wheat
A farmer has limited land, water and labour. He can grow barley or wheat. Combinations: A 0 barley – 100 wheat; B 25–90; C 50–70; D 75–40; E 100–0. On a graph with x = barley and y = wheat, the downward-sloping curve = the Production Possibility Curve (PPC). Going from A to E, barley increases and wheat decreases — to get more barley, wheat is sacrificed = the opportunity cost of barley. Notice: from A→B, only 10 kg of wheat is given up for 25 kg of barley, but from D→E, 40 kg of wheat is given up for 25 kg of barley! At every point on the curve, resources are used fully, with no waste — maximum output.
Economics — the meaning of the word
Greek oikonomia = oikos (house) + nemein (to manage) → 'management of the household'. With limited resources and unlimited wants, not just a family but the whole country has to make a plan. Economics studies how choices are made and how economic units — consumers, producers, government, banks — are connected to one another: how people earn, how wealth is shared, how prices are decided, and how government policy changes the market.
Decide with data, not guesses
Good decisions come from data and analysis. A family divides its money into essentials (food, medicine, school), non-essentials (jewellery, entertainment, hotels) and savings. The government plans roads and welfare schemes from tax revenue. A company studies market trends. Economists work in — policy-making (advising the government), business consulting, finance (advising investors), and research and education. A survey = a systematic way of collecting and analysing data.
Economic Survey — the country's report card
The Ministry of Finance prepares it every year, and it is placed in Parliament before the Union Budget. It covers last year's performance — agriculture, industry, services, jobs, inflation, education, health, infrastructure — and the challenges ahead. It is the blueprint of the budget and explains the economy to ordinary citizens in simple language.
The three basic questions
Unlimited wants + limited resources = Scarcity → Choices → three questions: 1) What to produce? 2) How to produce? 3) For whom to produce? Every economy has to answer these.
What to produce? — sugarcane or coarse grains
Should a farmer grow water-hungry sugarcane and paddy, or drought-tolerant millets and pulses? Sugarcane = higher profit and support for the sugar industry. Millets and pulses = saving water, healthy soil, sustainable farming. If sugarcane is chosen, the opportunity cost = the water and good soil that could have been saved. So it is a trade-off between benefit today and sustainability tomorrow.
For whom to produce? — the shoe example
People differ — their needs, incomes and tastes are different. School shoes — plain, sturdy, cheap. Office shoes — comfortable, formal, good leather. Sports shoes — special rubber soles, light, with grip and flexibility. Sandals/casual — for everyday use, comfortable and cheap. The material also changes with the customer — leather = office/higher income; rubber/synthetic = sportspeople, workers, a cheap and sturdy need.
How to produce? — workers or machines
Labour-intensive — more workers, fewer machines (farming, handicrafts). Capital-intensive — more machines and technology, fewer workers (steel, automobiles). Garment factory example: machines expensive → workers; machines cheap → automation. Good technology → machines. Designer/customised clothes → skilled craftspeople; mass production → machines. Workers available cheaply and easily → labour-intensive; costly or scarce → machines. Government laws (labour laws, concessions on machines) also have an effect.
Three economic systems
Planned economy — the government (planning authority) decides what, how much, how, for whom and at what price; land, factories, banks and transport are mostly government-owned; strict licences and permits → less competition, less push for quality and innovation. Examples: the old Soviet Union, North Korea, Cuba. Market economy — decisions are made by demand and supply; the government is only like a football referee — providing security, law and order; it does not control prices or production; ownership is private; competition brings better quality and lower prices. Examples: USA, Japan, Hong Kong. Mixed economy — a blend of both; private and government firms exist, including large public sector companies. Examples: India (after 1991), China (after 1978), Germany, Sweden. In truth, almost every economy is mixed.
Public goods and India's journey
Public goods — for everyone, no one can be excluded, and one person's use does not reduce another's: parks, roads, police, street lights, basic education. In a mixed economy the government's job: rules for fair competition, consumer protection, transparency, public goods, welfare schemes; the market brings profit, innovation and competition. India — after independence it was planned-like (licences, large public sector); after the 1991 crisis came reforms — fewer controls, encouragement to the private sector, opening up to foreign trade and investment → more market-oriented, but the government's role remained.
Short notes for exams
- Economic choices are made by individuals, companies and governments. Needs = necessities; wants = unlimited and changing desires.
- Factors of production: land, labour, capital, technology — all limited, with many uses (steel → medical, aircraft, fridge).
- Opportunity cost = the value of the option given up.
- PPC table: A(0,100) B(25,90) C(50,70) D(75,40) E(100,0) — downward-sloping curve; every point = full, efficient use of resources.
- Economics ← Greek oikonomia = oikos (household) + nemein (management).
- Work of economists: policy-making, business consulting, finance, research-education.
- Economic Survey — Ministry of Finance; placed in Parliament before the Union Budget; blueprint of the budget.
- Scarcity → Choices → 3 questions: What, How, For Whom.
- What: sugarcane/paddy (profit) vs millets/pulses (water, soil, sustainability).
- For whom: school, office, sports, casual shoes — different customers, different goods.
- How: labour-intensive (farming, handicrafts) vs capital-intensive (steel, auto) — cost of machines, technology, nature of the product, availability of workers, laws.
- Planned — Soviet Union, North Korea, Cuba. Market — USA, Japan, Hong Kong. Mixed — India (post-1991), China (post-1978), Germany, Sweden.
- India: state-led after independence → 1991 reforms → market-oriented mixed economy.
Practice MCQs tap an option to check instantly
Q1. Which of these is a 'need'?
Answer & solution
Correct answer: (C) Drinking water — Food, water, shelter — basic necessities.
Q2. You bought a notebook with ₹100 and gave up saving for a racket. Which concept is this?
Answer & solution
Correct answer: (B) Opportunity cost — The value of the option given up.
Q3. The word 'Economics' comes from which Greek word?
Answer & solution
Correct answer: (A) Oikonomia — Oikos (house) + nemein (management).
Q4. In the PPC table, moving from C to D, how much wheat is given up for 25 kg of barley?
Answer & solution
Correct answer: (C) 30 kg — 70 at C, 40 at D → 30 kg.
Q5. Who prepares the Economic Survey?
Answer & solution
Correct answer: (B) Ministry of Finance — It is placed in Parliament before the Union Budget.
Q6. How are the steel and automobile industries generally described?
Answer & solution
Correct answer: (B) Capital-intensive — They depend heavily on machines and technology.
Q7. The government's role in a market economy has been compared to which of these?
Answer & solution
Correct answer: (C) Referee — Security and law and order, with no control over prices.
Q8. An example of a planned economy —
Answer & solution
Correct answer: (C) Cuba — The old Soviet Union, North Korea, Cuba.
Q9. Since when did India become a more market-oriented mixed economy?
Answer & solution
Correct answer: (C) 1991 — Reforms after the economic crisis of 1991.
Q10. Which of these is a 'public good'?
Answer & solution
Correct answer: (A) Street light — For everyone; no one can be excluded.
Theme E · Economics
The Price Puzzle: What Drives the Market
Why do prices change? — the laws of demand and supply, the factors that shift them, market equilibrium, dynamic pricing and government intervention.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
Puzzles about prices
Why are last week's mangoes now half the price? Why are vegetables expensive in the morning and cheaper in the evening? Why does the price of onions shoot up every few months? Why does the same flight seat cost ₹3,000 one day and ₹9,000 another? Why do malls give discounts at certain times of the year? Prices don't change for no reason — what people want, how much stock there is, the weather, festivals, trends, sometimes even rumours. But behind it all are two big forces: Demand and Supply.
What is Demand?
Demand = how much of a good people WANT to buy and CAN buy at a given price. Wanting alone is not demand — you also need purchasing power (the buying power of money). Wanting a palace is not demand unless you have the money! Law of Demand: price rises → demand falls; price falls → demand rises. In other words, an inverse relationship.
Srivalli's mangoes — demand schedule and curve
At the start of the season: mangoes at ₹150/kg → Srivalli bought 1 kg. Price ₹100 → 2 kg. Price ₹50 → 3 kg. This table = a demand schedule. On a graph with y = price and x = quantity, join points A, B, C → the downward-sloping line DD' = the demand curve. Condition: everything else (income, tastes) stays the same. One person's demand = individual demand.
Market demand — add up everyone's demand
Alex and Israt also buy mangoes. At ₹150: Srivalli 1 + Alex 2 + Israt 3 = 6 kg. At ₹100: 2+4+6 = 12 kg. At ₹50: 3+6+9 = 18 kg. This = market demand (the sum of everyone's individual demand). Notice — the market curve is flatter: when the price falls from ₹150 to ₹50, Srivalli's demand rises by only 2 kg, but the market's by 12 kg! When many people are involved, the same price change has a much bigger effect.
What changes demand besides price? (1)
A new smartphone is expensive and still there is a long queue! So price isn't everything. Related goods: Substitutes (they replace each other) — tea and coffee, mango and banana; coffee gets costlier → demand for tea rises. Complementary goods (used together) — phone and earphones, car and petrol, printer and cartridge, movie ticket and popcorn; ticket gets costlier → demand for popcorn falls too. Income rises → more or better goods. Tastes — Srivalli likes mangoes; even if oranges are cheap she won't buy them. Population — more children → sports shoes; more working people → formal shoes; more elderly people → comfortable/orthopaedic shoes.
What changes demand besides price? (2)
Diminishing marginal utility: the first mango — wow! the second — nice; the third… no more, thanks. The extra satisfaction from each additional mango falls, so the willingness to pay for it falls too. Weather/season — a new session begins → crowds at the bookshop; festivals → sweets; winter → sweaters. Expected future prices — if you expect prices to fall → put off buying (waiting for the Diwali sale); if you expect prices to rise → buy now.
Supply and its law
Supply = how much of a good sellers want to sell and can sell at a given price. Law of Supply: price rises → supply rises; price falls → supply falls — a direct relationship. Why? A higher price = more profit, producers make more, and new companies enter too. Seller A: ₹50 → 1 kg, ₹100 → 2 kg, ₹150 → 3 kg — an upward-rising supply curve. Three sellers A+B+C: ₹50 → 6, ₹100 → 12, ₹150 → 18 kg = market supply.
What changes supply besides price?
Prices of related goods — wheat is cheap, gram is expensive → farmers will sow more gram next season. Number of sellers — more sellers → more supply, prices fall; fewer sellers → prices rise. Technology — drip irrigation and weather sensors raise yields; cold storage carries mangoes to distant markets → supply rises. Expectations about the future — if demand is expected to rise, produce more; wholesale potato traders hold back stock now, expecting prices to rise in the peak season. Others: input costs, weather, disasters.
Market Equilibrium — where the two meet
At ₹40: demand 38, supply 6 → Excess demand (shortage) → the price will rise. At ₹150: demand 8, supply 43 → Excess supply (surplus) → the price will fall. At ₹100: demand = supply = 12 kg → Market Equilibrium! On the graph, where the demand and supply curves intersect (point E) — equilibrium price ₹100, quantity 12 kg. Here there is no shortage and no surplus — the market 'clears'; there is no pressure for the price to change.
Equilibrium in the real world?
In a textbook, equilibrium is a point, but real markets are dynamic — technology, wages, interest rates, war, politics, pandemics, weather, disasters — all change demand and supply. So the equilibrium keeps shifting. COVID-19 (2020): demand for masks suddenly jumped while supply lagged → prices rose sharply; slowly supply grew → prices fell; when the pandemic ended → demand fell → prices returned to where they were.
Hotel rent — dynamic pricing
A hotel in Goa, 100 rooms: a Monday in July (off-season) — ₹1,500; a Saturday in December — ₹8,000; New Year's Eve — ₹25,000! A group booking is cancelled → 40% off overnight. Prices change several times a day — depending on how fast bookings are coming in, nearby hotels' prices, festivals/conferences, weather forecasts, how many days remain, past trends. Revenue = total earnings from sales before deducting costs. Think about fast fashion, overfishing, over-extraction of groundwater — today's demand can harm tomorrow's supply.
Why does the government step in?
India is today the 4th largest economy in the world — market-based but regulated. The market gives goods to those who can pay — but if medicine becomes very expensive, what will the poor do? So: Price ceiling — a maximum price (like essential medicines). Price floor — a minimum price (like the minimum wage); to be effective it must be set above the equilibrium. Monopoly — a single seller, no alternatives → high prices, poor quality, low supply; the government prevents it. Regulators: RBI (banking), CCPA (consumer rights), TRAI (telecom), SEBI (stock market).
The sanitiser story and public goods
During COVID, demand for sanitiser jumped — stocks ran out, prices skyrocketed; some shopkeepers resorted to hoarding (stocking up far more than needed) and black marketing (illegal sale). The government declared it an essential commodity under the Essential Commodities Act, 1955 — MRP of a 200 ml bottle capped at ₹100. Companies raised production, and sanitiser became available at a fair price. Public goods — roads, bridges, parks, street lights, defence, drains; private companies don't build them because there is no direct profit. The park example: if every family gave ₹5,000, a park would be built, but everyone thinks 'others will pay, I'll enjoy it free' → the money never gets collected → so the government builds it.
Harms of too much intervention
1) Distorted prices, reduced incentive — wheat's market price is ₹30, the government caps it at ₹20 → farmers will grow less → shortage. 2) Burden of compliance — a small restaurant needs food safety, fire safety, pollution and local clearances — many permissions; new entrepreneurs are put off by the time and cost → the ease of doing business falls. 3) Innovation stalls — without fair earnings, a farmer won't invest in better seeds, irrigation or technology. A democratic government should listen to consumers, producers and workers alike and strike a balance.
Short notes for exams
- Demand = willingness + ability (purchasing power). Law of Demand: P↑ Q↓ (inverse); the demand curve slopes downward.
- Srivalli: ₹150→1, ₹100→2, ₹50→3 kg. Market (Srivalli+Alex+Israt): 6, 12, 18 kg — the market curve is flatter.
- Other factors affecting demand: prices of substitute/complementary goods, income, tastes, size and make-up of the population, season, expectations about the future.
- Diminishing marginal utility — each additional mango gives less satisfaction → less willingness to pay.
- Law of Supply: P↑ Qs↑ (direct); the supply curve slopes upward. Market supply A+B+C: 6, 12, 18 kg.
- Other factors affecting supply: related goods (wheat vs gram), number of sellers, technology (drip, sensors, cold storage), expectations about the future, input costs, weather.
- Table 9.3: ₹40 → Qd 38, Qs 6 (excess demand); ₹100 → 12 = 12 (equilibrium); ₹150 → Qd 8, Qs 43 (excess supply).
- In the real world equilibrium keeps shifting — the COVID mask example; Goa hotel ₹1,500 / ₹8,000 / ₹25,000.
- India = 4th largest economy; market-based but regulated.
- Government intervention: price ceiling (medicines), price floor (minimum wage), curbs on monopoly; regulators RBI, CCPA, TRAI, SEBI.
- Sanitiser — Essential Commodities Act 1955; 200 ml MRP ₹100.
- Public goods — roads, parks, defence; built by the government because of the 'free rider' mindset.
- Harms of too much intervention: price distortion (wheat ₹20 vs ₹30), compliance burden, lack of innovation.
Practice MCQs tap an option to check instantly
Q1. According to the Law of Demand, what is the relationship between price and demand?
Answer & solution
Correct answer: (B) Inverse — When the price rises, demand falls.
Q2. Along with wanting, what is necessary for demand?
Answer & solution
Correct answer: (B) Purchasing power — The ability to buy is also needed.
Q3. At ₹100, Srivalli buys 2 kg, Alex 4 kg and Israt 6 kg. What is the market demand?
Answer & solution
Correct answer: (C) 12 kg — 2 + 4 + 6 = 12 kg.
Q4. What kind of goods are a car and petrol?
Answer & solution
Correct answer: (B) Complementary — They are used together.
Q5. The third mango doesn't taste as good as the first — which principle is this?
Answer & solution
Correct answer: (B) Diminishing marginal utility — Each additional unit gives less extra utility.
Q6. What is the equilibrium price in Table 9.3?
Answer & solution
Correct answer: (B) ₹100 — At ₹100, Qd = Qs = 12 kg.
Q7. At ₹150, if Qd is 8 and Qs is 43, what is the situation?
Answer & solution
Correct answer: (C) Excess supply — Supply is more than demand — a surplus.
Q8. The minimum wage is an example of what?
Answer & solution
Correct answer: (B) Price floor — A lower limit — nothing below it.
Q9. Under which law was the price of sanitiser capped during COVID?
Answer & solution
Correct answer: (B) Essential Commodities Act 1955 — MRP of a 200 ml bottle capped at ₹100.
Q10. Who is the regulator of the telecom sector?
Answer & solution
Correct answer: (C) TRAI — Telecom Regulatory Authority of India.
Theme G · Geography
Oceans and Life
The ocean floor, waves, tides and currents, early warning for cyclones and tsunamis, ocean resources, the Blue Economy and the rules of the maritime zones.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
The ocean — a treasure house of mysteries
In Indian culture the Samudra (ocean) has been considered powerful and sacred. Most of the Earth is covered by ocean. The 6 big ideas of this chapter: 1) ocean water is always moving (waves, tides, currents); 2) gravity causes the tides; 3) the ocean floor is a hidden landscape; 4) the Blue Economy — the sustainable use of the ocean for food, energy and jobs; 5) early warning protects the coast; 6) maritime zones — the 'rules of the sea' (UNCLOS).
Mountains and plains under the sea (Ocean Relief)
Like the land, the ocean floor has mountains, valleys, plateaus and trenches — these are called submarine/ocean relief. The Mariana Trench (Pacific) — the deepest place on Earth. The Mid-Ocean Ridge — the world's longest mountain chain, hidden under water! Mauna Kea (Hawai'i) — measured from the sea floor, it is taller than Everest.
Main relief features
Continental Shelf — the submerged, shallow edge of a continent; rich in marine life and oil and gas. Continental Slope — a steep drop, the true edge of the continent. Abyssal Plain — a vast, flat, deep sea floor. Mid-Ocean Ridge — a huge mountain range formed by volcanoes. Trench — the deepest parts. Seamount — an underwater volcanic mountain that does not reach the surface. Guyot — a seamount with a flat top (waves wore down the peak, then it sank).
Waves — the coast's 'architects'
The regular rising and falling of the surface = a wave; the main cause is wind. The highest point is the crest, the lowest the trough; the distance between two crests = wavelength; the number of crests passing in one second = frequency; the time a crest takes to travel from A to B = wave period. Waves shape the coast by wearing it away: a crack in a headland → cave → arch → if the top falls, a stack → worn down to a stump; also blow holes. By depositing material they build beaches. Hydraulic action = the cutting away of rock and soil by the force of flowing water.
Tsunami — the wave from an earthquake
In a storm, strong winds raise huge waves. But a giant wave raised by an earthquake under the sea = a Tsunami. When it reaches the coast it can be 30 metres or even higher (run-up height) — extremely destructive.
Tides
The regular rising and falling of the sea, twice a day (in most places). The highest level = high tide (flood tide), the lowest = low tide (ebb tide). The cause: the gravitational pull of the Moon and the Sun. Spring tide — the Sun, Earth and Moon in a straight line (full moon and new moon) → very high high tides, very low low tides. Neap tide — the Moon at the first/third quarter (the eighth day), the pulls act in different directions → the difference is small.
Benefits of tides
Ships — at high tide the water is deeper, so entering a harbour is easier. In many ports the tidal range is 4–5 m; in the Gulf of Khambhat it is nearly 12 m! In shallow routes like the Singapore Strait, big tankers (VLCCs) wait for high tide. Tidal currents run at 5–6 knots (9–11 km/h). Fishing — at high tide fish come near the shore, giving a good catch. Electricity — India's coastline is 11,098.81 km; tidal energy sites: Gulf of Kutch, Gulf of Khambhat, Sundarbans. Interesting: the Bhadkeshwar Mahadev temple at Dwarka can be reached only at low tide — at high tide the path is submerged!
Ocean currents
A steady stream of water flowing in a fixed direction. Causes: wind, the Earth's rotation (Coriolis force — deflects to the right in the Northern Hemisphere and to the left in the Southern), differences in temperature and salinity, and the shape of the continents. Water coming from a warm place = a warm current (red on maps); from a cold place = a cold current (blue). The Gulf Stream (warm, Gulf of Mexico → Norway) — even at 60–70° latitude, Norway's sea does not freeze! The Labrador current (cold, Canada's east coast) — ice and icebergs even at lower latitudes. Where warm and cold currents meet = fishing grounds (full of nutrients).
Early warning — protection from cyclones
A cyclone = a rotating storm formed over warm ocean. In India, both Cyclone Warning and Marine Weather Services cover the coasts. NCRMP (National Cyclone Risk Mitigation Project) — cyclone shelters, warning systems, a Decision Support System (DSS). The SSEWS (Storm Surge Early Warning System) of INCOIS + IMD — forecasts the wave raised by a storm and the areas that will be flooded. Names: cyclones in the North Indian Ocean are named in order from a list of 169 names given by 13 countries — like Biparjoy (2023) and Remal (2024).
GEMINI — the fishermen's companion
GAGAN-Enabled Mariner's Instrument for Navigation and Information — a small handheld device. It takes data from the GAGAN satellite and sends it by Bluetooth to a mobile phone; the INCOIS app shows it in 9 regional languages — high waves, strong winds, cyclone and tsunami alerts, potential fishing zones, current speed, bathymetry (a map of depths under the water). Right now it works up to 50 nautical miles; the new version up to 300 NM, with two-way communication. Support: PM Matsya Sampada Yojana (PMMSY).
The 2004 Tsunami and tsunami warning
26 December 2004 — the Indian Ocean Tsunami; about 2,30,000 deaths. In India, Tamil Nadu, Puducherry, Andhra, Kerala and Andaman-Nicobar were the worst affected. Indonesia's Simeulue island was saved — folk tales had taught people what the warning signs are! Afterwards came the ITEWC (Indian Tsunami Early Warning Centre) — a network of tsunami buoys. 4 steps: Detection (seismic stations catch the earthquake) → Confirmation (OBPR on the sea floor) → Tracking (tide gauges, radar) → Warning (satellite, SMS, email, display boards on the coast). Along with technology, awareness and training are also essential.
Ocean resources
Living: fish — coastal/neritic (on the shelf, 0–200 m) and oceanic (deeper than 200 m), marine plants, bioactive substances, biofuel. Non-living: minerals, sand and gravel; energy — conventional (oil, natural gas) and non-conventional (gas hydrates, offshore wind, tidal, wave and current energy, OTEC — electricity from temperature differences). Importance: protein and jobs; 90% of world trade (by volume) goes by sea; coastal tourism; culture — the conch shell and cowrie (once used as money) are counted among the jewels of the Samudra Manthan (churning of the ocean).
Blue Economy and SDG 14
World Bank: 'the sustainable use of ocean resources for growth, better livelihoods and jobs, while preserving the health of the ocean ecosystem'. Three pillars: ecosystem health, economic growth, livelihoods & jobs. UN SDG 14: Life Below Water — reduce pollution, protect ecosystems, tackle ocean acidification, regulate fishing, conserve marine areas, end harmful subsidies.
Maritime zones — whose ocean is it?
A nautical mile = 1,852 m (1 minute of latitude). Measured from the baseline: Territorial sea — up to 12 NM; almost complete control (customs, immigration, pollution laws), but foreign ships have 'innocent passage' — they may pass peacefully without stopping; no fishing or military activity. Contiguous zone — up to 24 NM; limited control over customs, taxes and illegal migration. EEZ — up to 200 NM (UNCLOS); special rights over fish, oil and gas, but not full ownership; other ships may pass. Beyond that are the High seas — ~64% of the ocean, a global commons; everyone has equal rights; the law of the flag state (the country where a ship is registered) applies there.
Traffic rules of the sea
Problems on the high seas: excessive or illegal fishing, disputes over resources, difficult security. Hence maritime law: COLREGs — the 'traffic rules of the sea' — proper lookout, which side to pass on, who must yield (give-way) and who keeps going (stand-on), safe speed, signals of lights, sound and shape. MARPOL — the convention to prevent pollution from ships. Without rules, collisions, pollution and disputes would increase.
Short notes for exams
- Mariana Trench — deepest; Mid-Ocean Ridge — longest mountain chain; Mauna Kea — taller than Everest (from the sea floor).
- Relief: shelf, slope, abyssal plain, ridge, trench, seamount, guyot.
- Waves — caused by wind; crest, trough, wavelength, frequency, period. Sequence: crack → cave → arch → stack → stump.
- Tsunami — undersea earthquake; run-up height 30 m+.
- Spring tide — full moon/new moon (straight line); Neap — first/third quarter.
- Gulf of Khambhat tidal range ~12 m; India's coastline 11,098.81 km; tidal sites — Gulf of Kutch, Khambhat, Sundarbans.
- Bhadkeshwar Mahadev (Dwarka) — reachable only at low tide.
- Currents: wind, Coriolis, temperature, salinity. Gulf Stream (warm → Norway), Labrador (cold, Canada). Meeting of warm and cold = fishing grounds.
- Cyclone: NCRMP + DSS; SSEWS of INCOIS–IMD; 13 countries, 169 names — Biparjoy 2023, Remal 2024.
- GEMINI — GAGAN satellite → Bluetooth → INCOIS app, 9 languages; 50 NM (upgrade 300 NM); PMMSY.
- Tsunami 26 Dec 2004 — ~2,30,000 deaths; ITEWC buoys; Detection → Confirmation (OBPR) → Tracking → Warning.
- Resources: living (neritic 0–200 m, oceanic >200 m) + non-living (oil-gas, gas hydrates, wind, tidal/wave, OTEC). 90% of trade by sea.
- Blue Economy (World Bank) + SDG 14 Life Below Water.
- Zones: territorial 12 NM, contiguous 24 NM, EEZ 200 NM (UNCLOS), high seas ~64% (law of the flag state).
- COLREGs — collision avoidance; MARPOL — pollution from ships.
Practice MCQs tap an option to check instantly
Q1. Which is the deepest place on Earth?
Answer & solution
Correct answer: (B) Mariana Trench — In the Pacific Ocean.
Q2. What is a sunken, flat-topped undersea mountain called?
Answer & solution
Correct answer: (B) Guyot — Its peak was worn down by waves, then it sank.
Q3. When does a spring tide occur?
Answer & solution
Correct answer: (B) At full moon and new moon — The Sun, Earth and Moon are in a straight line.
Q4. Where in India is the highest tidal range (~12 m)?
Answer & solution
Correct answer: (B) Gulf of Khambhat — Gulf of Khambhat.
Q5. Because of the Gulf Stream, whose sea does not freeze even at high latitudes?
Answer & solution
Correct answer: (B) Norway — A warm current from the Gulf of Mexico to Norway.
Q6. In which direction does the Coriolis force deflect objects in the Northern Hemisphere?
Answer & solution
Correct answer: (B) Right — To the left in the Southern Hemisphere.
Q7. The names of North Indian Ocean cyclones come from a list given by how many countries?
Answer & solution
Correct answer: (C) 13 — 13 countries, 169 names.
Q8. From which satellite does the GEMINI device receive data?
Answer & solution
Correct answer: (A) GAGAN — GAGAN-Enabled Mariner's Instrument…
Q9. Up to what distance from the baseline does the EEZ extend?
Answer & solution
Correct answer: (C) 200 NM — 200 nautical miles under UNCLOS.
Q10. The international convention to prevent pollution from ships —
Answer & solution
Correct answer: (B) MARPOL — International Convention for the Prevention of Pollution from Ships.
Theme G · Geography
Life on Earth
Biomes — forests, grasslands, deserts, tundra and aquatic; the biome pyramid, conservation of biodiversity, forests and forest dwellers, GI tags and shared resources.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
The Earth — a big, colourful quilt
Think of the Earth as a patchwork quilt — each patch has its own colour, weather and living things. These big patches are called biomes. Bio (Greek bios = life) + -ome (group). A biome is a large natural region of the world where particular plants and animals live in a similar climate — icy tundra, hot deserts, green forests, vast grasslands. Here is the difference: biome = the whole city, ecosystem = one neighbourhood in it, where living and non-living things are linked to each other.
How is a biome formed?
Which living things can thrive where is decided by: temperature, the pattern of rainfall, the main vegetation and the form in which it grows. There are two big groups: Terrestrial (land) — forests, grasslands, deserts, tundra; and Aquatic (water) — freshwater and marine. On the map, the biomes are: tropical rainforest, grassland, desert, temperate deciduous (broad-leaved trees that shed their leaves in the season), taiga (coniferous — pine, spruce, larch), tundra.
Forest biome — nature's green umbrella
Tropical rainforest — near the Equator, between 23.5°N and 23.5°S; hot and wet all year round → dense forests. The largest are: the Amazon (South America), the Congo (Africa), Indonesia-Malaysia. In India: the Andaman and Nicobar Islands and the North-East. This is the world's richest store of living things — hence the name 'gene bank'. It helps balance oxygen and climate. Layers: Emergent layer (tallest trees) → Upper canopy → Understory/Lower canopy → Forest floor.
Grassland biome
Wide open plains — mostly grass, very few trees; moderate rainfall — not enough for dense forest. Temperate grasslands — Prairies (North America), Steppes (Asia) — fertile soil, farming. Tropical grasslands = Savanna (Africa) — scattered trees; lions, elephants, giraffes. They are important for grazing animals, farming and animal rearing.
Desert biome
The driest biome — very little rain. Hot — the Sahara (Africa); cold — the Gobi (Asia). The Rann of Kutch (Gujarat) — one of the world's largest salt deserts; a marsh in the monsoon, a white salt desert in the dry season. Plants (cactus) and animals (camels, lizards, snakes) are experts at storing water and bearing heat. There are minerals and oil too. Think about this: the camel of Rajasthan and the two-humped camel of the Nubra Valley (Ladakh) — why does the Nubra camel have thick hair? Because it is cold there!
Tundra biome
The coldest — near the Arctic and Antarctic. Long, harsh winters and short summers. The soil stays frozen almost all year — permafrost — so trees cannot grow. Vegetation: moss, lichen, small shrubs. Animals: reindeer, arctic fox, polar bear. Very fragile — a small change in temperature affects the whole system. In the Himalaya (in the subtropics) there are coniferous trees — because the cold there comes from height, but the sunlight and soil are not as harsh as in the tundra.
Aquatic biomes
About three-quarters (3/4) of the Earth. Freshwater — rivers, lakes, ponds, wetlands; farming, drinking water, fish, frogs and insects. Marine — oceans, seas, coral reefs; huge biodiversity, affects climate by storing and sharing heat; whales, dolphins, fish, plankton; the livelihood of millions.
Biome pyramid
A diagram showing the relationship between living things in terms of energy, numbers or biomass. At the bottom — producers (plants, algae) that capture the Sun's energy by photosynthesis. Above — herbivores (primary consumers) → carnivores (secondary) → top predators (tertiary). Going up, numbers, biomass and energy decrease — at each level energy is lost as heat. Another pyramid: from cold-polar to warm-tropical, from wet to dry — tundra, coniferous, deciduous, chaparral, grassland, desert, rainforest, scrubland, tropical seasonal forest, savanna.
Everything is connected — biodiversity
Biomes give homes to living things; living things also change biomes — animals spread pollen and seeds, humans make farms and cities, microorganisms return nutrients. Biodiversity = the variety of life on Earth — plants, animals, microorganisms and their ecosystems; not just the count of species, but also the genetic differences within a species and the variety of habitats. Hotspots — the Himalaya, Western Ghats, North-East, Andaman and Nicobar — species found nowhere else (Nilgiri Tahr, Himalayan Snowcock, yak, mangrove).
The role of geography in conservation
Biodiversity is spread unevenly, which is why geography matters. Ecosystem-based — save mangroves on the coast, plant trees on hills. Protected Areas — national parks, wildlife sanctuaries, biosphere reserves, World Heritage Sites. Barriers and corridors — rivers, mountains and valleys stop or allow animal movement and gene flow → wildlife corridor. Human-environment — terrace farming in the hills, agroforestry in the plains. Find on the map: Namdapha NP, Rann of Kutch, Gahirmatha beach, Gulf of Mannar, Pachmarhi, Achanakmar–Amarkantak.
Ecotourism — the example of Thenmala
Ecotourism = responsible travel that does not harm nature and supports local people. Swadesh Darshan 2.0 (Ministry of Tourism) — sustainable tourist destinations. Thenmala (Kollam, Kerala) — India's first planned ecotourism site; the name means 'Honey Hill'; in the Western Ghats (UNESCO World Heritage); built jointly by the Tourism, Forest and Irrigation departments; local people became guides and eco-guards — the benefit stays in the community.
Forests and livelihoods
Villages and tribal communities get from forests: food, fuel, fodder, medicine, houses, timber, bamboo. Non-timber forest products (NTFP) — honey, fruits, nuts, resin, herbs. The Gond and Bhil worship the forest deities before taking resources — a sustainable tradition. Sacred groves — 1,00,000+ in India; names: Devrai, Devarakadu, Kavu, Sarna — small but biodiversity hotspots, they also protect water sources. State-wise: tendu leaves, mahua, sal seeds (MP, Chhattisgarh); bamboo and timber (Assam, Tripura, Kerala); wild fruits, honey, mushrooms (Jharkhand, Odisha); ashwagandha, neem, tulsi (Himalaya, Western Ghats).
Forest dwellers — protectors and knowers
Stores of knowledge — traditional knowledge of herbs passed down generations. Income — tendu, mahua, honey, lac, bamboo. Household needs — timber, fodder, tubers and roots. Culture — festivals and customs linked to the forest. Protecting forests — the Bishnoi movement (Rajasthan, Amrita Devi) inspired the Chipko movement (Uttarakhand) — women hugged the trees! Women played the biggest role.
GI Tag — the identity of a place
Geographical Indication (GI) = an intellectual property right showing that a product comes from a particular place and that its special quality is linked to that place. Forest-based GI products: Ramban Sulai Honey (J&K), Tezpur Litchi (Assam), Channapatna Toys (Karnataka — wood of the 'Aale mara' tree), Kandhamal Haldi (Odisha — high curcumin), Erode Manjal (Tamil Nadu), Nilgiri Tea, Tripura Queen Pineapple, Khasi Mandarin (Meghalaya). Benefits: protecting heritage, local income.
Problems of forest dwellers
Little access to health, education and clean water; women fall ill from wood smoke (LPG through the PM Ujjwala Yojana). Restrictions on forest use, felling, commercial exploitation → conflict between law and need. Floods, landslides, forest fires — according to the FSI, ~36% of forest is fire-prone and ~4% is extremely fire-prone. Human-wildlife conflict — elephants, monkeys and wild boar destroy crops. Produce is sold at low prices — processing and marketing are needed. Forest bridges over roads reduce roadkill.
Government steps and Mendha Lekha
Forest Rights Act (FRA) 2006 — rights of traditional forest dwellers over land and forest resources; the right to collect minor forest produce (bamboo, honey, herbs) and ownership of small plots for farming. Joint Forest Management (JFM) — the community protects the forest and shares the produce. PESA, DAJGUA (Dharti Aaba Janjatiya Gram Utkarsh Abhiyan), PM JANMAN. Mendha Lekha (Gadchiroli, Maharashtra; Gond) — the first village to get forest rights under the FRA; slogan 'Mawa Nate Mawa Raj' (our village, our rule); decisions by the Gram Sabha; 1,800 hectares of forest; income from bamboo felling, spent on education infrastructure.
Shared resources (Ecological Commons)
Forests, rivers, lakes, pastures, air, biodiversity — which belong to the whole community, not to any one person; run by traditional rules. They are shrinking due to population, industry and privatisation. Bihar fish: during the Indian Fisheries Act of 1897 era, zamindars took control and fisherfolk were pushed to the margins → Bihar Fish Jalkar Management Act, 2006 — community-based management → fish production increased. Ponds: the Chandella-Bundela kings built ~8,000 ponds in Bundelkhand in 800–1200 CE; Karnataka kere, Tamil Nadu eri, Andhra-Odisha chevuru, Bihar ahar-pyne, the Gond kings' kata (water bodies closed on three sides). Today India has 15 lakh+ working ponds.
Short notes for exams
- Biome — bios (life) + ome (group); terrestrial (forest, grassland, desert, tundra) + aquatic (freshwater, marine).
- Rainforest: 23.5°N–23.5°S; Amazon, Congo, SE Asia; India — Andaman-Nicobar, North-East; 'gene bank'; layers — emergent, upper canopy, understory, floor.
- Grassland: temperate — prairies, steppes (farming); tropical — savanna (lions, elephants, giraffes).
- Desert: hot Sahara, cold Gobi; Rann of Kutch — salt desert; thick hair of the Nubra camel.
- Tundra: permafrost; moss, lichen; reindeer, arctic fox, polar bear.
- Aquatic ~3/4 of the surface; coral reef, plankton; climate control.
- Biome pyramid: producers → herbivores → carnivores → top predators; energy/numbers/biomass decrease going up.
- Hotspots: Himalaya, Western Ghats, North-East, Andaman-Nicobar.
- Conservation: ecosystem-based, protected areas, corridors, local practices (terraces, agroforestry).
- Thenmala (Kollam) — first planned ecotourism; 'Honey Hill'. Swadesh Darshan 2.0.
- Sacred groves 1,00,000+ — Devrai, Devarakadu, Kavu, Sarna.
- Bishnoi (Amrita Devi, Rajasthan) → Chipko (Uttarakhand).
- GI: Ramban Sulai Honey, Tezpur Litchi, Channapatna Toys, Kandhamal Haldi, Erode Manjal, Nilgiri Tea, Tripura Queen Pineapple, Khasi Mandarin.
- FSI: ~36% of forest fire-prone, ~4% extremely so. PM Ujjwala — women's health.
- FRA 2006, JFM, PESA, DAJGUA, PM JANMAN. Mendha Lekha — first FRA village; 'Mawa Nate Mawa Raj'; 1,800 ha.
- Bihar Fish Jalkar Management Act 2006; Bundelkhand ~8,000 ponds (800–1200 CE); kere, eri, chevuru, ahar-pyne, kata; 15 lakh+ ponds.
Practice MCQs tap an option to check instantly
Q1. From which Greek word does 'bio' in 'biome' come?
Answer & solution
Correct answer: (A) Bios — life — Bios = life.
Q2. Why is the tropical rainforest called a 'gene bank'?
Answer & solution
Correct answer: (B) It has the greatest genetic variety — The world's richest store of living things.
Q3. What kind of biome is the savanna?
Answer & solution
Correct answer: (B) Tropical grassland — Africa — scattered trees, lions, giraffes.
Q4. What is soil that stays frozen all year called?
Answer & solution
Correct answer: (B) Permafrost — In the tundra; trees cannot grow.
Q5. What decreases as you go up the biome pyramid?
Answer & solution
Correct answer: (B) Energy, numbers and biomass — At each level energy escapes as heat.
Q6. India's first planned ecotourism site —
Answer & solution
Correct answer: (B) Thenmala — Kollam, Kerala — 'Honey Hill'.
Q7. Which movement inspired the Chipko movement?
Answer & solution
Correct answer: (B) Bishnoi movement — Amrita Devi, Rajasthan.
Q8. Kandhamal Haldi is a GI product of which state?
Answer & solution
Correct answer: (B) Odisha — High curcumin, tribal farming.
Q9. The first village to get forest rights under the Forest Rights Act —
Answer & solution
Correct answer: (B) Mendha Lekha — Gadchiroli, Maharashtra.
Q10. What are the traditional ponds of Tamil Nadu called?
Answer & solution
Correct answer: (B) Eri — Karnataka — kere; Andhra-Odisha — chevuru.
Theme H · History
Resistance and Resilience (1000–1700 CE)
How India fought (resistance) and endured (resilience) in the age of invasions — Rajputs, Ahoms, Vijayanagara, Marathas, Sikhs, Jats; Bhakti, temples and trade.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
Two words to understand — Resistance and Resilience
1000–1700 CE — repeated invasions, wars, religious discrimination. Resistance = active opposition to a power or a threat — to protect one's rule, land, interests or cultural and spiritual identity; forms: war, alliances, diplomacy, negotiation. Resilience = the ability to survive and adapt in difficulty while preserving one's traditions — like repairing temples, changing customs, finding ways to live together. The link: resilience is the backbone of resistance — a leader creates the situation to fight, but the strength to endure comes from resilience. This period is not only about invasion and opposition; it is about both struggle and cooperation.
The first wave — Arabs, Ghazni, Ghur
The surplus grain of the fertile plains was both a source of prosperity and a reason for invasions. From the middle of the 7th century, Arab attacks (by sea and land) were stopped by the rulers of the Deccan, Malwa, Kashmir and Rajasthan. Mahmud of Ghazni — first attack in 1001, on Jayapala (Hindu Shahi). The Hindu Shahis, Chandellas, Solankis and Chauhans fought back. In 1178, Rani Naiki Devi (Chaulukya) defeated Muhammad Ghuri at Kasahrada (near Mount Abu)! In 1192, in the Second Battle of Tarain, Ghuri defeated Prithviraj Chauhan. Gujarat, Malwa and Bundelkhand (Chandellas) held out for ~100 years; the Turks could not conquer parts of Odisha and Assam at all; peninsular India stayed independent in the 11th–12th centuries.
The Delhi Sultanate and resistance (1200–1500)
1206 — the Delhi Sultanate; power was centralised. Iqta — territories given to army commanders instead of salary; they collected land revenue and the burden on farmers grew. Holy places were destroyed → fierce resistance. Those who resisted: the Yadavas (Devagiri), the Rajputs of Rajasthan, the Kakatiyas (Warangal) — Rani Rudrama Devi (1262–89), the Hoysalas (Karnataka). Mewar, Gwalior, Malwa, Awadh, Etawah, Ajmer, Jalore, Kalinjar and Kannauj also challenged the Sultanate. Events: 1298 Alauddin plundered Somnath; 1301 Ranthambore and 1303 Chittor besieged; 1307 Malik Kafur's attack on Devagiri; ~1325 the Sisodia Rana Hammir took back Mewar; 1433–68 Maharana Kumbha built a network of forts. More brave rulers: Kanhada Deva (Jalore), Hammira Deva (Ranthambore), Rao Surjan Hada (Bundi).
Rajputs and Mughals: war and compromise
Ibrahim Lodi was weak → Babur won at Panipat in 1526, ending the Sultanate. 1527 Khanua — Rana Sanga formed a Rajput confederacy and fought Babur; Babur won — a big turning point. Relations were shaped by military strategy: Mewar resisted fiercely, while the Kachhwahas of Amber chose the path of cooperation. The Mughals needed the Rajputs' military strength, loyalty and administrative skill — so they gave them mansabs. Mansabdari (Akbar) = a system of ranks linking the army and administration.
Mewar — never bowed
1567–68 — Akbar besieged Chittor; Rana Udai Singh's army fought for more than 5 months; then he went into the Aravalli hills with the people. 1576 Haldighati — Maharana Pratap vs the Mughals. Then guerrilla warfare — sudden attacks, ambushes and raids in the rugged Aravallis. 1582 Dewair (near Udaipur) — Mughal outposts were destroyed; by the 1580s most of the land was recovered. The Bhil community — knowledge of the paths, archery, guerrilla fighting — which is why Mewar's emblem shows a Rajput and a Bhil warrior, with Eklingji in the middle. Amar Singh stopped Jahangir's attacks (1605, 1608, 1609). In the end, a treaty — the ruler of Mewar was exempted from attending the Mughal court in person (the importance of the Surat trade routes also mattered). The poet Dursa Arha says: Pratap did not let the royal brand be put on his horses, did not attend Nauroz, and did not stand guard at the Jharokha Darshan.
The Ahoms — six centuries of independence
The Ahom kingdom of Assam, 1228–1826 — independent for about 600 years! Their strategy: not head-on clashes but using the land to their advantage — knowledge of forests, rivers and the monsoon cycle. 1615 Samdhara — first clash; the land was recovered by 1616. 1662 — Mir Jumla took the capital Garhgaon and imposed a treaty on King Jayadhvaj Singha — but within a year the king broke it. 1671 Saraighat — Lachit Borphukan defeated the Mughal fleet; the Brahmaputra became the boundary. Secrets of their strength: alliances, guerrilla war, difficult terrain, the Paik system, and fast light boats called 'bachari'.
Vijayanagara — the 'City of Victory'
Malik Kafur plundered the city-temples of Warangal, Belur and Madurai; in Tughlaq times the Madurai Sultanate arose. In response, in 1336, Harihara and Bukka founded Vijayanagara (near Hampi). The river and rocky land = natural protection. It spread south of the Krishna-Tungabhadra; Kannada, Telugu, Tamil and Sanskrit literature flourished. 1342 Kannanur — the Hoysala Vira Ballala III fought but was killed. Kumara Kampana (Bukka's son) ended the Madurai Sultanate; idols were re-installed in Kanchipuram (Rajasimheshwara) and Srirangam. Peak: Krishnadevaraya (died 1529). 1565 Talikota — defeat by an alliance of the Deccan sultanates, the city was ruined; Nayaka kingdoms arose.
The 'sandal' story of the Nayak of Madurai
Folk tradition: the Mughal emperor used to send a royal sandal to subordinate kings; the king would go to the border to welcome it and pay tribute. Muthu Virappa Nayak III refused to go to the border — the envoy had to be brought to the palace. Even there he did not bow; he had the sandal placed on the ground, put his own foot in it and joked — 'Why didn't the Emperor send the pair?' — and expelled the envoy from his kingdom. Resistance is not only with the sword, but also with bold gestures!
The Marathas — the dream of Swarajya
1674 — the coronation of Chhatrapati Shivaji, an independent Maratha state. Swarajya = self-rule without outside control. In 1659 Afzal Khan met his end at Pratapgarh. The long war wore the Mughals out — Aurangzeb was stuck in the Deccan for 20+ years. A web of alliances and tribute-paying relationships. Forts — Raigad, Sinhagad — were centres of guerrilla war; some were forward posts, some fallback capitals on the border; centres of water, weapons, administration and justice — able to withstand long sieges. Gingee/Senji (Villupuram, Tamil Nadu) — a gateway so important that a few soldiers could stop an army of 10,000; it was held by the Nayaks, Bijapur, Mughals, Marathas, French and English; in 2025 it became a UNESCO World Heritage Site.
The Sikhs — spiritual and political endurance
Guru Nanak (late 15th century) — one God, equality, giving up rituals. As his influence grew, the Mughals interfered: Jahangir had Guru Arjan Dev (the 5th Guru) martyred on the pretext of helping Khusrau — a big turning point. Guru Hargobind (6th) was imprisoned in Gwalior fort; he built the Akal Takht — miri (worldly) and piri (spiritual): Harmandir Sahib = piri, Akal Takht = miri. 1675 — Aurangzeb had Guru Tegh Bahadur (9th) martyred. 1699 — Guru Gobind Singh (10th) created the Khalsa. After the martyrdom of the Sahibzadas, the Sikhs organised into misals (armed bands → confederacies); farmers became soldiers.
The Jat resistance
The Jat farmers of the Ganga-Yamuna doab — heavy taxes and exploitation + Aurangzeb's religious policy. 1669 — a revolt under Gokul Jat; the Mughals fought for months. 1686 — with Aurangzeb busy in the Deccan, another revolt under the zamindars of Sinsani and Sogar. By 1691 the Mughals had the upper hand, but the resistance continued. The Italian traveller Niccolao Manucci wrote about it.
Bhakti — the soul of endurance
Bhakti = personal love for God, hymns in local languages. In the South from the 7th century (Nayanars — devotees of Shiva, like Karaikal Ammaiyar; Alvars — devotees of Vishnu, like Andal); in the North from the 14th century — Ramananda linked South and North. Two streams: Nirguna (formless) and Saguna (with form). When temples were destroyed there was naam-kirtan — worship that no one can break! Satsang and sankirtan brought society together. Sankardev — Kirtana Ghosha; Chaitanya led a sankirtan procession in Bengal against the Qazi's ban; in Rajasthan the Dadu Panth and Niranjani — warrior-ascetics protected trade routes. Tulsidas — Ramcharitmanas (in Awadhi) — the story of Rama in every home.
Everyone in Bhakti — women too, all religions
Atukuri Molla (a potter's daughter, Gopavaram, Andhra) — the Molla Ramayanam in Telugu; recited in Krishnadevaraya's court. Akka Mahadevi (Karnataka) and Lal Ded (Kashmir) — Shaiva, ascetics; Bahinabai (Maharashtra) — devotion to Vithoba while running a household. Lal Ded's vakh: 'learning the scriptures is easy, living by them is hard'. Raskhan (Braj — Prem Vatika), Rahim (a Mughal commander, devotee of Krishna), Bibi Lachimar (of Turkish origin, devotee of Vishnu). Region-wise: Kabir, Mirabai, Surdas, Raidas (north); Chaitanya, Jayadeva, Sankardev (east); Basavanna, Annamacharya, Madhvacharya (south); Jnanadeva, Namdev, Tukaram, Janabai, Chokhamela (west). Devi-shakti: Shivaji received the sword's blessing from Tulja Bhavani, Annamaraja of Bastar from Danteshwari.
Sulh-i-Kul and the Sufis
In the rule after Akbar, Sulh-i-Kul = 'peace with all', universal tolerance — also a policy to gather political support; Akbar adopted practices such as the worship of the Sun. Sufi — the mystical, liberal form of Islam; silsilas: in the Sultanate the Chishti and Suhrawardi; in the Mughal period the Qadiriyya and Naqshbandiya. Khanqahs and dargahs were centres of public life; Hindavi and Bangla were used; some even adopted pranayama ('habs-i-dam', breath control).
Temples — not just places of worship
A temple = an economic centre (land, jobs — architects, craftsmen, sculptors, priests, musicians), a bank (loans to farmers, the gram sabha, traders), a centre of education and art (Bharatanatyam), with rights of justice and taxation. The deity as the king: the Gajapatis of Odisha called themselves Rauta (representative) of Jagannath; the Kachhwahas of Jaipur ruled on behalf of Govinddevji, the Rajputs of Kota as representatives of Rama. Gifts of gold and jewels to the Thanjavur Brihadeeswara temple → spent on irrigation. Temple towns: Thanjavur, Kanchipuram, Puri. From the 11th century, Ghaznavi and Ghurid attacks caused destruction; from the 12th, mosques in many places. But there was rebuilding: the Kannanur temple (which had become a mosque) was rebuilt as a temple by Kampana; Kashi Vishwanath — built by Todar Mal and Raja Man Singh (destroyed by Aurangzeb; today's temple is by Ahilyabai Holkar, 1780); Govind Devji (Vrindavan) — Man Singh; Keshav Dev (Mathura) — the Bundela Vir Singh.
Haveli temples — survival by hiding
From the 16th century, temples appeared in narrow lanes, with the entrance not on the main road, looking like a house, with no tall shikhara — 'haveli temples'; in Delhi, Varanasi and Rajasthan. The Jagat Shiromani (Meerabai) Temple, Amer — Queen Kanakwati (wife of Man Singh I) dedicated it to Krishna-Meera. Jagat Singh of Mewar fortified Chittor and built the grand Jagdish Mandir in Udaipur — seen as the religious-political answer to Shah Jahan's Jama Masjid.
Farming, hundi and Indian Ocean trade
The state's income = land revenue; under Alauddin and Muhammad bin Tughlaq, up to 50% of the produce + other taxes. Delhi and the Mughals took little interest in sea trade — coastal trade was in the hands of local powers. Irrigation: rope-and-pulley, Persian wheel (rahat); Vijayanagara invested in small-scale irrigation. Hundi — a bill of exchange like today's cheque; long-distance transactions without cash; sarrafs (moneychangers) and their gumashtas. Caravans to Central Asia; Banjaras linked villages and towns. From the 13th century, sea trade — the Persian Gulf, the Arabian Sea; India was at the centre of the Indian Ocean network. Krishnadevaraya's Amuktamalyada: run ports well, treat foreign traders fairly. 16th century — the Portuguese, then the Dutch (VOC 1602), English (EIC 1600), French (1664), Danes. Gujarati traders, groups from Malabar, Coromandel and Bengal; dubhashis (interpreters), the Vellalars also in trade; farmers even learned Portuguese, French, English and Persian!
Short notes for exams
- Resistance = active opposition; Resilience = endurance; resilience is the backbone of resistance.
- 1001 Mahmud vs Jayapala; 1178 Kasahrada — Naiki Devi defeated Ghuri; 1192 Tarain II; 1206 Delhi Sultanate.
- Parts of Odisha and Assam stayed free of the Turks; the peninsula stayed independent in the 11th–12th centuries.
- Opponents of the Sultanate: Yadavas (Devagiri), Kakatiyas (Warangal — Rudrama Devi 1262–89), Hoysalas, Rajputs. The iqta burdened farmers.
- 1301 Ranthambore, 1303 Chittor siege; ~1325 Rana Hammir; 1433–68 Rana Kumbha.
- 1526 Panipat (Babur vs Ibrahim Lodi); 1527 Khanua (Rana Sanga). Mansabdari — Akbar.
- Mewar: 1567–68 Chittor (Udai Singh); 1576 Haldighati; guerrilla war; 1582 Dewair; Amar Singh vs Jahangir 1605/08/09; treaty — exemption from court attendance. Coat of Arms — Rajput + Bhil + Eklingji.
- Ahoms 1228–1826; 1615 Samdhara; 1662 Mir Jumla — Garhgaon; 1671 Saraighat — Lachit Borphukan; Paik, bachari.
- Vijayanagara 1336 — Harihara, Bukka; Kumara Kampana ended the Madurai Sultanate; 1565 Talikota; Nayakas.
- Muthu Virappa Nayak III — the insult of the sandal.
- Marathas: 1659 Pratapgarh; 1674 coronation; Raigad, Sinhagad; Gingee — UNESCO 2025.
- Sikhs: Guru Arjan Dev (Jahangir), Hargobind — Akal Takht (miri-piri), 1675 Tegh Bahadur, 1699 Khalsa, misals.
- Jats: 1669 Gokul Jat; 1686 Sinsani-Sogar; Manucci.
- Bhakti: Nayanars, Alvars; Ramananda; nirguna-saguna; naam-kirtan; Sankardev (Kirtana Ghosha), Chaitanya, Tulsidas (Ramcharitmanas — Awadhi), Atukuri Molla, Lal Ded, Akka Mahadevi, Bahinabai, Raskhan, Rahim.
- Sulh-i-Kul (Akbar). Sufi silsilas: Chishti, Suhrawardi (Sultanate); Qadiriyya, Naqshbandiya (Mughal).
- Temples: economic and judicial centres; Gajapati = Rauta of Jagannath; Kashi Vishwanath (Todar Mal–Man Singh; Ahilyabai 1780); haveli temples; Jagat Shiromani; Jagdish Mandir.
- Land revenue up to 50% (Alauddin, Tughlaq); Persian wheel; hundi–sarraf–gumashta; Banjaras; EIC 1600, VOC 1602, French 1664.
Practice MCQs tap an option to check instantly
Q1. Who defeated Muhammad Ghuri at Kasahrada in 1178?
Answer & solution
Correct answer: (B) Rani Naiki Devi — A Chaulukya queen, near Mount Abu.
Q2. What is the most accurate relationship between resistance and resilience?
Answer & solution
Correct answer: (B) Through resilience, communities endure hardship and keep up their resistance — Resilience is the backbone of resistance.
Q3. Who introduced the iqta system?
Answer & solution
Correct answer: (B) The Delhi Sultanate — Territories instead of salary, to collect revenue.
Q4. Who led the Rajput confederacy against Babur in the Battle of Khanua (1527)?
Answer & solution
Correct answer: (B) Rana Sanga — Rana Sangram Singh I.
Q5. Who is shown along with the Rajput on the Coat of Arms of Mewar?
Answer & solution
Correct answer: (B) A Bhil warrior — With Eklingji (Shiva) in the middle.
Q6. Who defeated the Mughal fleet in the Battle of Saraighat (1671)?
Answer & solution
Correct answer: (B) Lachit Borphukan — The Ahom commander; the Brahmaputra became the boundary.
Q7. When and by whom was Vijayanagara founded?
Answer & solution
Correct answer: (A) 1336 — Harihara and Bukka — 'City of Victory', near Hampi.
Q8. Who established the Akal Takht?
Answer & solution
Correct answer: (C) Guru Hargobind — The centre of miri (worldly) authority.
Q9. In which year was the Khalsa founded?
Answer & solution
Correct answer: (B) 1699 — By Guru Gobind Singh.
Q10. In which language is the Ramcharitmanas written?
Answer & solution
Correct answer: (B) Awadhi — Tulsidas wrote it in Awadhi.
Q11. In which year did Gingee (Senji) Fort become a UNESCO World Heritage Site?
Answer & solution
Correct answer: (D) 2025 — 47th World Heritage Committee, Paris.
Q12. Which present-day instrument was the 'hundi' like?
Answer & solution
Correct answer: (B) A bank cheque — A bill of exchange; run by sarrafs and gumashtas.
Theme P · Political Science
Governance and Public Policy
The difference between government and governance, the values of governance in India, the 7 qualities of good governance, e-governance, what public policy is, who makes it, and the policy cycle.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
A flooded city — everyone together
Imagine heavy rain in your city for several days. Roads are under water, schools are closed, the power is out, and there is a fear of disease. Now see who does what: the Municipal Corporation cleans the drains, the PWD repairs the roads, the police manage traffic, the school sends information to parents, health workers stop disease, representatives raise their voices, and neighbours help the weak. No single department can do it alone — coordination is needed. This process of deciding together, implementing and being accountable is called Governance.
Government vs Governance
Government = the institutions that exercise political authority — the Legislature, Executive, Judiciary; the question: 'who rules?' Governance = the process — how decisions are made, implemented and monitored; it includes citizens, the media, civil society and the private sector along with the government; the question: 'how is it ruled?' Example: installing a street light is the job of the Municipal Corporation/Panchayat (government); but spotting dark areas, complaining about a broken light and giving feedback — that whole process is governance. The foundations of democratic governance: transparency, accountability, participation, rule of law — with the citizen at the centre.
Our own roots — values and symbols
Colonialism imposed its models on many countries; even after independence those institutions remained. India is different in two ways: 1) knowledge of its own pre-colonial systems of governance survived in texts and customs; 2) it was not possible to change all institutions at once, so the Constitution was framed in the spirit of Indian values. The British 'Order of the Star of India' had the motto 'Heaven's Light, Our Guide'; we adopted 'Satyamev Jayate' (from the Mundaka Upanishad). The Supreme Court's motto is 'Yato Dharmastato Jayah' (from the Mahabharata) — where there is dharma, there is victory.
Sengol, Ram Rajya, Rajadharma
The Sengol — a symbol of just rule, a tradition from the Chola period (1,000+ years ago). At midnight on 15 August 1947, Nehru received it from the saints of the Adheenam in Tamil Nadu; in 2023 PM Narendra Modi installed it in the new Parliament building. Gandhi's ideal — Ram Rajya: honesty, transparency, compassion, welfare, people-centred governance. Rajadharma — the king's first duty is the protection and welfare of his people; governing is a sacred responsibility, not just power. The Arthashastra: 'Prajasukhe sukham rajnah' — in the happiness of the people lies the king's happiness, in the welfare of the people the king's welfare. Remember the Sabha-Samiti of the Rigveda too.
The 7 qualities of Good Governance
1) Rule of Law — everyone is equal before the law. 2) Accountability — officials are answerable for their work. 3) Participation — citizens take part in decisions. 4) Transparency — decisions are open and available. 5) Effectiveness — public resources used wisely. 6) Responsiveness — the government attends to people's needs. 7) Inclusiveness — equal opportunity for every citizen. Everyone's role: the government makes laws, policies and services; citizens vote, obey the law and take part; the media brings issues to light; civil society raises awareness; the private sector brings economic activity and innovation. Good governance = a partnership between government and citizens.
Challenges and Good Governance Day
People's needs keep changing — the work of governance never ends. Challenges: weak coordination between departments; unequal access to services (social, economic and geographical barriers); corruption and misuse of office; misinformation/fake news. Solutions: strong institutions, responsible officials, active citizens. 25 December = National Good Governance Day (find out why this date was chosen!).
E-Governance — better governance through technology
When the government delivers services, shares information, talks to citizens and takes feedback through ICT (information and communication technology) = e-governance. Benefits: transparent, easy, fast; less paper, no running around offices. Examples: UMANG (one app, many government services), Aadhaar (identity), GeM (Government e-Marketplace — government purchasing), DigiLocker (safe storage of documents), CPGRAMS (grievance redressal), APAAR (academic ID for students). The condition: devices, internet and digital skills — so including everyone is essential. Think of before and now: birth certificates, admit cards, marksheets, salaries, rail tickets, vehicle registration!
Public Policy — a school's plastic-free policy
Roads, traffic signals, clean water, electricity, parks, garbage collection — all are the result of public policies. A school example: children bring single-use plastic, the campus gets dirty → the principal, teachers, students and parents together made a 'Plastic-Free Campus Policy' — your own bottle, no plastic bags, separate dustbins, monthly awareness, teachers monitoring. This is a policy because it is a planned course of action to solve a problem. Public policy = a course of action adopted by the government — what, why, who, how, and how to measure success; then improvement through a feedback loop.
What makes a policy 'public'?
A policy is public when it is for everyone, made by the government, implemented by public institutions, often run on tax money, increases public welfare and involves citizen participation — education, health, transport, sanitation, environment, security. Not every policy is public: a school's mobile phone policy, a company's work-from-home rule, a society's parking/guest rules — limited to one organisation. Identify: sports policy (public), a clean-water-for-every-home campaign (public), company WFH (policy), the Municipal Corporation's waste segregation (public), a housing society's guest hours (policy), free vaccination for children (public).
Who makes policy?
Citizens — point out problems, vote, give suggestions and feedback (a demand for a zebra crossing near a school). Elected representatives (MP, MLA, local) — raise issues, make laws, pass budgets (an MLA raised the water shortage in the Vidhan Sabha). Officials/departments/ministries — make, implement, coordinate, monitor (the District Collector implements a scheme). Civil society, NGOs, experts, the media — research, suggestions, awareness, watchdog role (an NGO's water-conservation campaign). Private sector — technology, innovation, resources (solar panels in a school through a PPP). International organisations — experience, technical and financial help (the WHO on infectious disease control).
Case study — a ramp in a hospital
Shanti Devi, 72, had to climb the stairs to the OPD — no ramp, no railing. A person in a wheelchair could not even get in. For the visually impaired there was no tactile path and no Braille. Patients spoke to officials and representatives; a disability rights organisation raised it in newspapers and on social media. The district administration had the PWD and the Health Department investigate; they took advice from doctors, staff, architects, disability organisations, elders and residents; the government sanctioned money — a ramp, lift, railings, tactile path, accessible toilet, signboards. Now elders, persons with disabilities, pregnant women and children all manage easily. This is the journey of a policy — from problem to solution!
The policy cycle — 7 steps
1) Policy Desirability — what need or problem? 2) Prioritising — which issue first? 3) Formulation — consulting stakeholders, drafting, checking financial feasibility. 4) Adoption — making laws (legislation) and rules (regulations). 5) Implementation — carried out by officials, local bodies, civil society, the private sector and citizens. 6) Monitoring — measuring progress, accountability, spotting gaps. 7) Evaluation — assessing results and impact, feedback → the cycle begins again. What if a step is skipped? Example: 1 lakh trees were planted and money was given, but there was no water or protection → most died — weak implementation/monitoring!
NEP 2020 — a policy made together
The previous education policy was in 1986. Society changed rapidly → in 2015 the process for a new policy began. In 2017 an expert committee — chaired by the scientist Dr K. Kasturirangan. The special feature: vast public consultation — 2.5 lakh Gram Panchayats, 6,600 blocks, 6,000 urban local bodies, 676 districts; nearly 2 lakh suggestions. Many suggestions were included; in July 2020 the Union Cabinet approved it.
Policy → Programme → Scheme
Policy = direction and goal (what and why). Programme = plan/route (how). Scheme = a concrete action through which the benefit reaches people. Example: National Health Policy 2017 — goal: good healthcare for all, a strong public system, equity, affordability and accountability, prevention and promotion. Programmes: strengthening the health system, comprehensive services for all, preventive-promotive care, digital health. Schemes: Ayushman Bharat–PMJAY, Health and Wellness Centres, Mission Indradhanush, Janani Suraksha Yojana. Remember: policy is the direction, programme is the route, scheme is the step.
Khelo Bharat Niti 2025 — an example of coordination
Treating sport as a tool of nation-building, the Khelo Bharat Niti came in 2025. Goal: a sports culture from the block to the national level. Centre — policy framework, goals, funding. States — 'Model Sports State', national sporting events, infrastructure through PPP. Districts — 'Model Sports District'. Blocks — regular competitions, talent scouting. Sports institutes — coaching, equipment. Private sector — sponsorship, research on nutrition and equipment. Citizens/families — encouraging children, especially daughters, and giving feedback. Success = everyone's coordination. You — by voting (later on), obeying the law, complaining, participating and giving feedback — can improve governance!
Short notes for exams
- Governance = decision-making + implementation + monitoring; foundations — transparency, accountability, participation, rule of law.
- Government = 'who' (institutions); Governance = 'how' (process; government + citizens + media + civil society + private sector).
- Values: Satyamev Jayate (Mundaka Upanishad); SC motto Yato Dharmastato Jayah (Mahabharata).
- Sengol — Chola; 1947 to Nehru from the Adheenam; 2023 in the new Parliament. Gandhi — Ram Rajya. Arthashastra — 'Prajasukhe sukham rajnah'.
- 7 qualities of good governance: rule of law, accountability, participation, transparency, effectiveness, responsiveness, inclusiveness.
- Challenges: weak coordination, unequal access, corruption, fake news. 25 Dec — National Good Governance Day.
- E-gov: UMANG, Aadhaar, GeM, DigiLocker, CPGRAMS, APAAR; digital access is essential.
- Public policy — what, why, who, how, how to measure + feedback loop. 'Public' = for everyone, by the government, from taxes, for public welfare.
- Stakeholders: citizens, representatives, officials, civil society/media, private sector (PPP), international organisations (WHO).
- Policy cycle: desirability → prioritising → formulation → adoption → implementation → monitoring → evaluation.
- NEP 2020: earlier policy 1986; 2015 start; 2017 Kasturirangan committee; 2.5 lakh GPs, 6,600 blocks, 6,000 ULBs, 676 districts; ~2 lakh suggestions; July 2020 Cabinet.
- National Health Policy 2017 → programmes → schemes (AB-PMJAY, HWC, Mission Indradhanush, JSY).
- Khelo Bharat Niti 2025 — Model Sports State/District, talent scouting at block level, PPP.
Practice MCQs tap an option to check instantly
Q1. What does 'governance' focus on more?
Answer & solution
Correct answer: (B) How rule is carried out — Government = who; governance = how.
Q2. From which text is 'Satyamev Jayate' taken?
Answer & solution
Correct answer: (B) Mundaka Upanishad — The national motto.
Q3. Where does the Supreme Court's motto 'Yato Dharmastato Jayah' come from?
Answer & solution
Correct answer: (B) Mahabharata — Where there is dharma, there is victory.
Q4. The Sengol tradition is traced to the period of which dynasty?
Answer & solution
Correct answer: (C) Chola — Over 1,000 years old; installed in the new Parliament in 2023.
Q5. When is National Good Governance Day observed?
Answer & solution
Correct answer: (D) 25 December — 25 December.
Q6. The online platform for government purchasing —
Answer & solution
Correct answer: (B) GeM — Government e-Marketplace.
Q7. Which of these is a PUBLIC policy?
Answer & solution
Correct answer: (C) Free vaccination for children — By the government, for everyone, for public welfare.
Q8. In the policy cycle, at which step are 'laws and rules made'?
Answer & solution
Correct answer: (B) Adoption — Policy adoption — legislation + regulations.
Q9. Chair of the expert committee for NEP 2020 —
Answer & solution
Correct answer: (B) Dr K. Kasturirangan — Formed in 2017.
Q10. What is Ayushman Bharat–PMJAY?
Answer & solution
Correct answer: (C) A scheme — A scheme under the National Health Policy 2017.
Theme E · Economics
Managing Your Personal Finances
Managing money wisely — the 5 pillars of personal finance: income, budgeting, saving, investing and protection; compounding, FDs, bonds, shares and mutual funds, insurance, EMIs, risk and return, and income tax.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
Starting with a piggy bank
On a festival you get money from relatives — do you spend it right away or save some? Do you keep it in a piggy bank? How do you manage your travel to school, stationery and canteen expenses? Did you save in advance to visit your grandmother's home in the summer holidays? Money management starts in childhood. Personal finance = the planning and management of your own money — how much to spend, how much to save, where to invest, and how to prepare for the future. For example, if you want to buy a house in 5 years, you must start planning now!
The 5 pillars of personal finance
1) Income — the money you receive (salary, business). 2) Budgeting — how much to save and how much to spend, and how to separate needs from wants. 3) Saving — setting money aside for the future or for emergencies. 4) Investing — putting your savings into assets such as shares and mutual funds. 5) Protection & risk management — protecting your money through insurance and debt management.
Pillar 1: Income
The money received in exchange for selling goods or providing services — the starting point; without income there is no spending, saving or investing. Examples: a teacher's monthly salary, a shopkeeper's profit, rent from a house, interest on a bank deposit, a shareholder's dividend. In college, 'Earn While You Learn' — part-time work, internships and apprenticeships give you income and experience along with your studies.
Pillar 2: Make a budget
A budget = a written, balanced plan of income and expenses. 4 questions for setting a goal: What do I want? How much money? By when? What steps? 4 steps: 1) Write down all expenses — small and big. 2) Set a savings goal — for example, a ₹3,000 cycle in 6 months → ₹500/month. 3) Track your spending — compare it with the budget. 4) Review and adjust — if rent goes up or a sudden medical expense comes, change the budget. Benefit: it keeps wasteful spending (eating out again and again, impulse shopping) in check — spread your legs only as far as your blanket reaches (live within your means).
Pillar 3: Saving
Setting aside a part of your income for the future — an economic surplus that builds up over time. Why? Life is uncertain, emergencies can come at any time; and savings are needed later for investment (FDs, shares, mutual funds, land and houses). Experts say: 'Save first, spend what is left' — Spending = Income − Savings. If you save ₹20,000 first out of ₹1,00,000, only ₹80,000 is left to spend. Even someone with a low income can save a little at a time!
Pillar 4: Investing — Priya vs Sameer
Both received ₹500. Priya kept hers in a piggy bank — a year later it is still ₹500. Sameer put his in a scheme paying 8% interest — a year later it is ₹540. Both are responsible, but Sameer's money is growing. Investing = putting savings into assets so that value is preserved and returns are earned — like planting a mango tree: the fruit doesn't come right away, but it keeps coming for years. Cash has more liquidity (can be used immediately), but investment can beat inflation.
Inflation and purchasing power
Inflation = the rise in prices of things over time. A school bag costs ₹1,000 today; with 6% inflation → ~₹1,060 next year. If your money just lay at home, it would no longer buy the bag — its purchasing power has fallen! Purchasing power = how many goods and services one rupee can buy; this determines your standard of living. Liquidity = how quickly and easily an asset can be turned into cash without losing value.
Compounding — start early!
Compounding = earning returns on your returns — earnings are invested again and earn still more (remember the king-and-sage story from Class 7). Bhavisha and Dhruv each invest ₹1,000 every year at 7% interest. Bhavisha started at the age of 25, Dhruv at 35. By age 65: Bhavisha has ₹1,99,635, Dhruv only ₹94,460 — just about 40% of hers! A delay of only 10 years cost more than half. The graph is flat at first and then steep — because the effect of returns on returns grows with time. Formula: A = P(1 + r)ⁿ.
4 common investment options
a) Fixed Deposit (FD) — a lump sum kept in a bank or post office for a fixed period (1, 3, 5 years) at a fixed interest rate; the safest, with assured but lower returns. Government options: PPF, NSC, Sukanya Samriddhi Yojana. b) Bonds — lending money to the government or a company; regular interest; a ₹10,000 bond at 5% → ₹500 a year, ₹10,500 at maturity; duration from 1 day to 30+ years; government bonds are safer than corporate ones. c) Shares/Equity — part-ownership of a company; dividend + gains if the price rises; highest risk, and over the long term the highest returns too. BSE SENSEX — an index of 30 large companies of the Bombay Stock Exchange; it moves up and down in the short run and rises over the long run. d) Mutual Fund — the money of many investors is pooled and a professional fund manager invests it in a 'basket' of shares and bonds; portfolio diversification reduces risk; remember 'Mutual fund investments are subject to market risks…'!
Pillar 5: Insurance
Illness, accidents, loss of income, damage to property — life is uncertain. Insurance = a legal contract: you pay a regular premium, and the company compensates you for a specified loss. Example: a family pays ₹500/month for health insurance → the company pays the big hospital bill. The principle is risk sharing: many people pay premiums into a common fund, which helps whoever suffers a loss. Types: Health (hospital, medicines, tests; Ayushman Bharat–PMJAY for poor families); Life (supports the family on the death of the earning member — expenses, education, debts); General — motor, property (fire, theft, flood, earthquake), crop (disaster, pests, prices), cattle (death or disability of an animal).
Borrowing and EMIs — wisely
Borrowing is good for productive purposes — like an education loan. Borrowing for unnecessary goods → a debt burden. Responsible borrowing = only when needed, and repaying on time. EMI (Equated Monthly Instalment) = the fixed monthly payment for repaying a loan — principal + interest. A ₹30,000 fridge → ₹3,000 x 12 months = ₹36,000 — that is ₹6,000 of interest! Phones, bikes, houses, cars — EMIs are common. Too many EMIs put your savings and emergency fund at risk. Debt = money owed to someone.
Risk and Return — think about 4 things
Before investing: Risk (the chance of losing money), Return (the profit), Time horizon (how long you can keep the money invested), Liquidity (how quickly it can be turned into cash). The rule: lower risk → lower return; higher risk → higher possible return (the risk-return trade-off). The ladder: FD (low risk, steady low return) → Mutual fund (higher) → Shares (highest risk and highest possible return). Choose according to your goal, risk tolerance and when you will need the money.
Tax — a contribution to the nation
Tax = a compulsory payment to the government — for schools, hospitals, transport and defence. Direct tax — charged directly on income or profit (income tax). Indirect tax — included in the price of goods and services (GST). Personal income tax — on the income of one financial year (1 April – 31 March); those earning below a limit are exempt. Progressive taxation — as income rises, the rate also rises; this reduces inequality. The slabs are proposed in the Union Budget by the Ministry of Finance; the CBDT (Central Board of Direct Taxes) oversees administration. Paying tax honestly and on time is a duty of a citizen.
New Tax Regime (FY 2025–26) + Priya's calculation
Slabs: up to ₹4 lakh — 0; 4–8 lakh — 5%; 8–12 lakh — 10%; 12–16 lakh — 15%; 16–20 lakh — 20%; 20–24 lakh — 25%; above 24 lakh — 30%. Priya (a business analyst) earns ₹14,00,000. Step 1: subtract the standard deduction of ₹75,000 → taxable income ₹13,25,000. Step 2: the first ₹4 lakh = 0; the next ₹4 lakh x 5% = ₹20,000; the next ₹4 lakh x 10% = ₹40,000; the remaining ₹1,25,000 x 15% = ₹18,750. Total tax = ₹78,750. A different rate applies to each slice — not one rate on the whole income! Question: Sai's taxable income is ₹3,80,000 → tax? Zero (below 4 lakh).
Short notes for exams
- Personal finance = managing spending, saving, investing and preparing for the future.
- 5 pillars: Income, Budgeting, Saving, Investing, Protection.
- Budget steps: identify expenses → savings goal (₹3,000/6 months = ₹500) → track → review.
- Save first: Spending = Income − Savings.
- Priya ₹500 in piggy bank = ₹500; Sameer at 8% = ₹540.
- Inflation 6%: ₹1,000 bag → ₹1,060. Purchasing power fell.
- Compounding: Bhavisha (from 25) ₹1,99,635 vs Dhruv (from 35) ₹94,460 — ~40%. A = P(1+r)ⁿ.
- FD (safe; PPF, NSC, Sukanya Samriddhi), Bonds (₹10,000 x 5% = ₹500), Shares (higher risk), Mutual fund (diversification).
- SENSEX — 30 companies of the BSE.
- Insurance — premium, risk sharing; health (AB-PMJAY), life, general (motor, property, crop, cattle).
- EMI — principal + interest; ₹3,000 x 12 fridge.
- 4 factors in investing: risk, return, time horizon, liquidity. Lower risk = lower return.
- Direct (income tax) vs Indirect (GST). FY = 1 April–31 March. Progressive. CBDT.
- New regime 2025–26: 0 (up to 4L), 5, 10, 15, 20, 25, 30%. Priya ₹14L − ₹75,000 = ₹13.25L → tax ₹78,750.
Practice MCQs tap an option to check instantly
Q1. Which pillar is the starting point of personal finance?
Answer & solution
Correct answer: (B) Income — Without income there is no spending and no saving.
Q2. How much must be saved each month to buy a ₹3,000 cycle in 6 months?
Answer & solution
Correct answer: (B) ₹500 — 3,000 ÷ 6 = 500.
Q3. Sameer invested ₹500 at 8% interest. How much will he have after one year?
Answer & solution
Correct answer: (B) ₹540 — 500 x 8% = 40.
Q4. What falls when inflation rises?
Answer & solution
Correct answer: (B) Purchasing power — The same money buys fewer goods.
Q5. The reason for the difference between Bhavisha (from 25) and Dhruv (from 35) is —
Answer & solution
Correct answer: (B) Compounding — early investment gets more time — Both invested ₹1,000/year at 7%.
Q6. Which of these is the investment with the lowest risk?
Answer & solution
Correct answer: (C) Fixed Deposit — Fixed interest, assured return.
Q7. The BSE SENSEX is an index of how many companies?
Answer & solution
Correct answer: (B) 30 — 30 large, actively traded companies.
Q8. On which principle does insurance work?
Answer & solution
Correct answer: (A) Risk sharing — A common fund compensates for losses.
Q9. What type of tax is GST?
Answer & solution
Correct answer: (B) Indirect — It is included in the price of goods and services.
Q10. What is the total tax on a taxable income of ₹13,25,000 under the new regime?
Answer & solution
Correct answer: (B) ₹78,750 — 0 + 20,000 + 40,000 + 18,750.
Theme E · Economics
From Ideas to Startups
From idea to business — who an entrepreneur is, the Jataka story of the 'dead mouse', Lijjat and Oberoi, the business plan, the 4 functional areas, profit and loss, the Chettiars and India's startups.
Understand it in simple words the whole chapter, like a story
Read this section first, at your own pace — every idea comes with an example. Then revise from the short notes below.
A lemonade stall — your first business class
At the school fest there is a 'Young Entrepreneurs Challenge' — you and your friends set up a lemonade stall. What did you have to think about? How much to spend on lemons and sugar, where to get glasses, what price to charge for one glass, how many people liked it, and did you make a profit or a loss? At the end of the day you gave a report to your teacher. This is the essence of business — planning, organising and learning by doing. Entrepreneurship = a person or group turning a business idea into a real enterprise. Profit = the income left after subtracting the cost of production and sales.
What does an entrepreneur do?
They spot a problem and decide to solve it in a new way. They take risks — investing money and time. They bring together the resources of production (land, labour, capital, technology). They take the big decisions of the business. Through their innovation they do good for society. Entrepreneurs are curious — where others see a challenge, they see an opportunity. Examples: a company making drones for traffic monitoring, or jute bags instead of plastic ones.
From a dead mouse to riches — a Jataka tale
A merchant told the king — 'with hard work and brains, even a dead mouse can become the start of a fortune'. A poor young man heard this and tried it. He sold a dead mouse to a shopkeeper for his hungry cat for 2 coins → with the coins he bought fruit and water, gave them to tired flower-pickers and got flowers → sold the flowers in the city → after a storm, cleared the fallen branches and sold them as firewood → supplied grass to horse traders → opened a refreshment stall → made deals with foreign merchants. He became very rich; out of gratitude he gave the merchant half his wealth and helped the people of the city. Lesson: spot opportunities, work smart, be grateful.
Lijjat Papad — from a rooftop to a revolution
In 1959, on the roof of a Mumbai chawl — 7 housewives, borrowed supplies, one recipe and ₹80! No degree, no investor — only courage and unity. There was no factory: each woman took dough home in the morning, rolled papads during the day and returned in the evening — on one condition: the same quality every time. A cooperative — every member is an equal owner, and profits are shared equally. In 1962 it was registered — Shri Mahila Griha Udyog Lijjat Papad ('lijjat' = tasty in Gujarati). In the 1980s–90s it added flour, spices and soap, and began exporting; it crossed ₹100 crore. In 2023: 45,000+ women members, 83 branches, ₹1,600 crore annual turnover; a bus service, scholarships for children. Along with papad, it brought a solution — economic independence for women!
Mohan Singh Oberoi — from a ₹50 clerk to a hotel empire
Born in 1898 in Punjab; his father died when he was a child. He worked as a hotel desk clerk in Shimla — ₹50 a month. He didn't just do his own job, he learned everything — guest service, billing, administration. In 1934 — he mortgaged his wife's jewellery and put in all his savings to buy a small hotel — a big risk! He made the loss-making hotel a success; then came luxury hotels, a hotel management school, and expansion across the world. 2001 — Padma Bhushan; he passed away in 2002. Lesson: business is not just an idea — it needs skilled staff, hired and trained (HR), money management (finance), efficient running (operations), a trusted brand (marketing), and customer satisfaction above all.
Business Plan — the map of an enterprise
Want to open a bakery with friends? First, a business plan — a written document/blueprint that states your goals and the steps to reach them; a roadmap from idea to operation. 8 questions: 1) Need and idea — what do people want, which problem does it solve? (fresh bread, cake, or healthy options like whole-wheat?) 2) Potential customers — children, young people, families? 3) Money and costs — oven, rent, salaries, flour and dry fruits, packaging; where will the money come from (savings, bank loan, friends and relatives, investors)? 4) Location — near a school, college or market? online/app orders? 5) People and skills — baker, helper, billing, delivery. 6) Price and profit — cover costs and make a profit, yet stay affordable for customers; smaller options like a mini cake jar. 7) Promotion — social media, posters, offers, good packaging, customer service. 8) Challenges and risks — competition, raw material prices, changing tastes, cash flow, quickly spoiling inventory.
4 functional areas — the pillars of a business
1) Management & Operations — day-to-day work: planning, organising, guiding + delivering goods/services on time and efficiently. In a bakery: the right equipment, ingredients, quality checks, daily production without delay or waste. Focus: efficient processes. 2) Finance & Accounting — wise management of money; budgets, reports, cash flow. 3) Human Resources — the right people with the right skills: hiring, training (hygiene, baking standards), benefits, resolving disputes, a good workplace. People are the heart of business! 4) Marketing & Sales — awareness and sales: a catchy name, social media photos and videos, discounts, seasonal items (mango cake), online ordering and delivery, eco-friendly packaging.
Finance: fixed vs variable cost
Finance = the planning, arrangement and use of money. Fixed cost — stays the same whether production is low or high (in the short run): rent, equipment (oven, mixer, fridge), insurance — 'overheads'. Variable cost — rises and falls with production: raw materials (flour, sugar), packaging. (In the textbook, salaries for the bakery are also counted as a changing cost.) Investment = putting money/resources in, in the hope of future income/profit. Accounting = recording, organising and reporting transactions — the account of income (revenue) and spending (expenses); following tax laws.
Profit & Loss Account — ABC Bakery
Profit = Total Revenue − Total Expenses. ABC Bakery (March 2026): Income — bread and buns ₹1,20,000 + pastries and cookies ₹75,000 + cake orders ₹85,000 + delivery ₹15,000 = ₹2,95,000. Expenses — raw materials ₹1,00,000, packaging ₹12,000, rent ₹40,000, salaries ₹30,000, electricity and gas ₹15,000, promotion ₹8,000, miscellaneous ₹7,000, loan interest ₹10,000 = ₹2,22,000. Profit before tax (PBT) = 2,95,000 − 2,22,000 = ₹73,000. Tax ₹13,000 → Profit after tax (PAT) = ₹60,000. (No need to memorise the categories — understand the method!)
Chettiars — a traditional business community
The roots of entrepreneurship in India run deep — skills and occupations pass from generation to generation. The Nattukottai Chettiars (Tamil Nadu) — traders, bankers, moneylenders; they worked in India as well as Sri Lanka, Burma (Myanmar), Malaysia and across South-East Asia. Known for lending based on ethics and trust, excellent bookkeeping, and putting profits back into business, temples, education and social welfare. They traded in salt, rice, cloth and finance — often without formal banks! Lesson: risk-taking, discipline, long-term thinking.
Startups — failure is also learning
A startup = a new, early-stage company that brings an innovative product/service. Some grow fast, some shut down — there is no shame in failing after an honest effort; every attempt teaches something. Swami Vivekananda: 'Arise, awake, and stop not till the goal is reached'. Today India has the world's third-largest startup ecosystem; in 2025 there were about 120 unicorns (valued at over 1 billion dollars). Sectors: e-commerce, fin-tech (digital payments), health-tech, agri-tech. Hubs: Bengaluru, Hyderabad, Mumbai, Delhi NCR. Scheme: Startup India — in line with the vision of Atmanirbhar Bharat (2020); the goal is Viksit Bharat 2047 (100 years of independence).
What does business give to society?
Jobs and income for families. Production of goods and services → economic activity. Tax → roads, schools, hospitals. Innovation → progress and solutions to new problems. Better standard of living — medicines, transport, technology. CSR (Corporate Social Responsibility) — education, environment, health. One more example: in 1931, Digambar and Govind Dandekar started in South Mumbai with ink powder, making ink in old glass bottles; artists had no good colours → he went to Glasgow, studied colour chemistry, built a lab → pencils, crayons, geometry boxes, paints — a famous brand was born. The next entrepreneur may be sitting in your class!
Short notes for exams
- Entrepreneurship = idea → business venture; an entrepreneur spots a problem, takes risks, gathers resources, makes decisions and does good for society.
- Jataka: dead mouse → 2 coins → fruit and water → flowers → firewood → grass → refreshment stall → foreign trade; half the wealth to the merchant.
- Lijjat: 1959, 7 women, ₹80, Mumbai chawl; 1962 registered cooperative; 2023 — 45,000+ members, 83 branches, ₹1,600 crore.
- M.S. Oberoi: born 1898; Shimla clerk at ₹50; 1934 mortgaged jewellery to buy a hotel; 2001 Padma Bhushan; died 2002.
- 8 aspects of a business plan: need-idea, customers, money-costs, location, people-skills, price-profit, promotion, risks.
- 4 functional areas: Management & Operations, Finance & Accounting, Human Resources, Marketing & Sales.
- Fixed cost (rent, equipment, insurance) vs Variable cost (raw materials, packaging).
- Profit = Revenue − Expenses. ABC Bakery: ₹2,95,000 − ₹2,22,000 = PBT ₹73,000; tax ₹13,000; PAT ₹60,000.
- Chettiars (Tamil Nadu) — banker-traders; Sri Lanka, Burma, Malaysia; lending on trust, excellent bookkeeping.
- India — 3rd-largest startup ecosystem; ~120 unicorns (2025); hubs — Bengaluru, Hyderabad, Mumbai, Delhi NCR.
- Startup India, Atmanirbhar Bharat (2020), Viksit Bharat 2047.
- Contributions of business: jobs, production, tax, innovation, standard of living, CSR. Dandekar brothers — 1931, ink powder, Glasgow.
Practice MCQs tap an option to check instantly
Q1. The most accurate meaning of entrepreneurship —
Answer & solution
Correct answer: (B) Turning a business idea into a real enterprise — By spotting opportunities and taking risks to create value.
Q2. In the Jataka tale, to whom did the young man sell the dead mouse?
Answer & solution
Correct answer: (B) A shopkeeper, for his cat — For 2 coins.
Q3. In which year, and with how much money, did Lijjat Papad begin?
Answer & solution
Correct answer: (B) 1959, ₹80 — 7 housewives, on the roof of a Mumbai chawl.
Q4. The meaning of the word 'Lijjat' in Gujarati —
Answer & solution
Correct answer: (B) Tasty — Lijjat = tasty.
Q5. When did Mohan Singh Oberoi receive the Padma Bhushan?
Answer & solution
Correct answer: (C) 2001 — He passed away in 2002.
Q6. What type of cost is a bakery's rent?
Answer & solution
Correct answer: (B) Fixed cost — It does not change with production.
Q7. Hiring and training staff is the work of which functional area?
Answer & solution
Correct answer: (C) Human Resources — The right people with the right skills.
Q8. What was ABC Bakery's Profit Before Tax?
Answer & solution
Correct answer: (B) ₹73,000 — 2,95,000 − 2,22,000.
Q9. The Nattukottai Chettiar community belongs to which state?
Answer & solution
Correct answer: (C) Tamil Nadu — Banker-traders, active across South-East Asia.
Q10. A 'Unicorn' startup is valued at more than —
Answer & solution
Correct answer: (C) 1 billion dollars — India has ~120 unicorns (2025).
Revision of the whole book
Exam Preparation Question Bank
60 rapid-fire questions, 16 True/False and 10 short-answer questions — tap a question to reveal the answer.
A. Rapid-fire one-liners
1Social Science's 4 main subjects (Class 9–10)?
Geography, History, Political Science, Economics.
2The 5 elements of Panchamahabhuta?
Prithvi (earth), Apah (water), Agni (fire), Vayu (air), Akasha (space).
3Who wrote the Arthashastra, and when?
Kautilya, about 2,300 years ago.
4The theory of plate tectonics is linked to whom?
W.J. Morgan.
5Difference between stalactite and stalagmite?
A stalactite hangs from the ceiling; a stalagmite rises from the floor.
6Mehrgarh belongs to which period?
Neolithic — earliest evidence of farming.
7How many suktas are in the Rigveda?
1,028.
8The five peoples (jana) of the Panchajana?
Yadu, Turvasha, Puru, Anu, Druhyu.
9Most powerful of the 16 Mahajanapadas?
Magadha.
10The three assemblies of the Vedic period?
Sabha, Samiti, Vidhata.
11When was the Constitution adopted and when did it come into force?
Adopted on 26 Nov 1949, came into force on 26 Jan 1950.
12Chairman of the Drafting Committee?
Dr. B.R. Ambedkar.
13Which Article deals with constitutional amendment?
Article 368.
14Right to Education is in which Article?
Article 21A (2009).
15When was the RTI Act passed?
2005.
16What is the media called?
The fourth pillar of democracy.
17An example of direct democracy?
Switzerland.
18When was the PESA Act passed?
1996.
19When was the Emergency?
1975–77.
20What is psephology?
The scientific study of elections (psephos = pebble).
21Election system for the Lok Sabha?
FPTP (First-Past-The-Post).
22Difference between RPA 1950 and 1951?
1950 — seats, delimitation, voter list; 1951 — nomination, campaigning, disputes.
23Article and years of the Delimitation Commission?
Article 82; 1952, 1963, 1973, 2002.
24Articles on the ECI?
324–329.
25National Voters' Day?
25 January.
26Anti-Defection Law?
1985, 52nd Amendment.
27Origin of the word Economics?
Greek 'oikonomia' — oikos (house) + nemein (to manage).
28What is opportunity cost?
The value of the next best alternative given up.
29Who prepares the Economic Survey?
Ministry of Finance (before the Budget).
30Examples of planned economies?
Former Soviet Union, North Korea, Cuba.
31Law of Demand?
If price rises, demand falls (inverse relationship).
32Law of Supply?
If price rises, supply rises (direct relationship).
33Equilibrium for mangoes (Table 9.3)?
12 kg at ₹100.
34Examples of price ceiling and price floor?
Ceiling — essential medicines; floor — minimum wage.
35Under which law was the price of sanitiser capped?
Essential Commodities Act, 1955.
36The deepest place in the ocean?
Mariana Trench (Pacific).
37When does spring tide occur?
On full moon and new moon — Sun, Earth and Moon in a straight line.
38How long is India's coastline?
11,098.81 km.
39Territorial sea, contiguous zone, EEZ?
12 NM, 24 NM, 200 NM.
40How long is a nautical mile?
1,852 metres.
41When was the Indian Ocean Tsunami?
26 December 2004.
42What is SDG 14?
Life Below Water.
43The soil of the tundra?
Permafrost.
44India's first planned ecotourism site?
Thenmala, Kollam (Keralam).
45When was the FRA passed, and which was the first village?
2006; Mendha Lekha (Gadchiroli).
46Who defeated Ghuri at Kasahrada (1178)?
Chaulukya queen Naiki Devi.
47Haldighati and Dewair?
1576 and 1582 — Maharana Pratap.
48Winner of Saraighat (1671)?
Lachit Borphukan (Ahom).
49Founding of the Khalsa?
1699, Guru Gobind Singh.
50When did Gingee Fort become a UNESCO site?
2025.
51National motto and its source?
Satyamev Jayate — Mundaka Upanishad.
52Motto of the Supreme Court?
Yato Dharmastato Jayah (Mahabharata).
53National Good Governance Day?
25 December.
54Chairperson of the NEP 2020 committee?
Dr K. Kasturirangan.
55The 5 pillars of personal finance?
Income, Budgeting, Saving, Investing, Protection.
56Up to what income is tax zero under the new tax regime?
₹4 lakh (FY 2025–26).
57How much is the standard deduction?
₹75,000.
58Lijjat Papad — when and with how much?
1959, 7 women, ₹80.
59What is a unicorn startup?
One valued at more than 1 billion dollars.
60Target year for Viksit Bharat?
2047.
B. True or False
1Social Science only tells 'what happened', not 'why it happened'.
FALSE — It also explains 'why' and 'how everything is connected'.
2The Mid-Ocean Ridge is the longest mountain chain in the world.
TRUE — It lies hidden under water.
3Brahman, Brahmana and Brahmin are the same thing.
FALSE — Brahman = the idea, Brahmana = the texts, Brahmin = the varna.
4Women in India had to fight a long movement for the vote.
FALSE — Universal Adult Franchise was given to all from 1950.
5In the parliamentary system the Executive is part of the legislature.
TRUE — The PM and ministers are members of Parliament and answerable to it.
6Members of the Rajya Sabha are elected directly by the people.
FALSE — Indirect election, by the PR system.
7In the EEZ a country gets full ownership of the water.
FALSE — Only exclusive rights over resources; ships may pass.
8The market demand curve is flatter than an individual demand curve.
TRUE — Many buyers together respond more strongly to price changes.
9Complementary goods are used in place of each other.
FALSE — Those are substitutes; complementary goods are used together (car-petrol).
10Almost every economy is actually mixed.
TRUE — Even the USA and Singapore have a government role.
11A price floor is set below equilibrium to have an effect.
FALSE — It has to be set above.
12The Ahom kingdom stayed independent for about 600 years.
TRUE — 1228–1826.
13Haveli temples had tall spires and gates on the main road.
FALSE — They were home-like, in narrow lanes, without tall spires.
14Government and governance are the same thing.
FALSE — Government = institutions (who); governance = process (how).
15A fixed deposit is riskier than shares.
FALSE — FD is the safest; shares are the riskiest.
16India has the third-largest startup ecosystem in the world.
TRUE — ~120 unicorns (2025).
C. Short-answer (model answers)
1Why is Social Science called a 'family of connected subjects'? Give the example of drought.
Society is so tangled that one subject cannot explain it fully. A drought touches the crop (environment), the farmer's income (economy), government relief (politics), migration (society) and old water-saving methods (culture) — all together.
2Why is the Rule of Law necessary for democracy?
No one is above the law; disputes are settled in court by 'procedure established by law', not by force or identity (Art 21). This stops misuse of power, keeps rights safe and builds trust in the government.
3Differentiate between FPTP, Majority and PR systems.
FPTP — the candidate with the most votes wins (50% not needed). Majority — 50%+ needed, otherwise a second round between the top 2. PR — people vote for a party, and seats are given in proportion to votes.
4Explain opportunity cost with the help of the PPC.
If a farmer grows more barley, wheat falls (A 0–100 to E 100–0). The wheat given up for more barley is the opportunity cost of barley. The curve slopes downward; every point shows full, efficient use of resources.
5Why does market equilibrium not stay stable in the real world?
Technology, wages, interest, war, pandemics and weather keep changing demand and supply. In COVID, mask demand jumped and prices rose; then supply grew and prices fell. A Goa hotel's rent swings from ₹1,500 to ₹25,000 — a dynamic market.
6What was common in the resistance of Mewar and the Ahoms?
Both used their geography — Mewar fought guerrilla war in the Aravallis (with Bhil allies); the Ahoms used jungles, rivers, monsoon and fast 'bachari' boats. Both broke treaties or got their own terms accepted, and saved their freedom.
7How did the Bhakti tradition show resilience?
Devotional songs in local languages, worship like naam-kirtan that could not be broken, community bonding through satsang-sankirtan; participation of women and all classes; Tulsidas wrote the Ramcharitmanas in Awadhi and took the Ram katha to every home.
8Differentiate policy, programme and scheme — using the National Health Policy 2017.
A policy gives direction (good, affordable healthcare for all). A programme is the route (strong health system, digital health). A scheme is the concrete action (Ayushman Bharat–PMJAY, Mission Indradhanush, Janani Suraksha Yojana).
9Why is it beneficial to start investing early?
Compounding — return on return. Bhavisha (from 25) and Dhruv (from 35) both invest ₹1,000/year at 7%; by 65 Bhavisha has ₹1,99,635, Dhruv only ₹94,460. More time = more growth.
10The 4 functional areas of a business, with a bakery example.
Operations — equipment, materials, quality, daily production. Finance — fixed (rent) and variable (raw material) costs, cash flow, P&L. HR — hiring bakers and helpers, hygiene training. Marketing — name, social media, discounts, online orders.