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UPSC prelims and mains revision framework with polity-first high-yield recap.
| Article | Right | Key Provisions | Restrictions |
|---|---|---|---|
| Art. 14 | Equality before law | State shall not deny equality; includes equality of opportunity (Art. 15–18) | Reasonable classification; Art. 15(4) for SC/ST/OBC; Art. 16(4) reservations |
| Art. 19 | Six Freedoms | Speech & expression, Assembly, Association, Movement, Residence, Profession | Reasonable restrictions under Art. 19(2)–(6) — sovereignty, security, public order, decency, morality |
| Art. 20 | Protection in convictions | Ex post facto law, double jeopardy, self-incrimination | No person convicted of an offence shall be punished more than once |
| Art. 21 | Right to Life & Liberty | Includes right to live with dignity, privacy, health, education, clean environment | Can be deprived by procedure established by law (must be just, fair, reasonable) |
| Art. 21A | Right to Education | Free and compulsory education for children aged 6–14 | Added by 86th Amendment (2002); enforced by RTE Act 2009 |
| Art. 22 | Protection against arrest | Right to be informed of grounds; right to consult lawyer; produced before magistrate within 24 hours | Not applicable to enemy aliens; preventive detention under Art. 22(4)–(7) |
| Art. 23–24 | Against Exploitation | Prohibition of trafficking & forced labour; prohibition of child labour | Art. 24: No child below 14 in factories/mines/hazardous employment |
| Art. 25–28 | Freedom of Religion | Freedom of conscience, free profession, practice and propagation; manage religious affairs | Public order, morality, health; Art. 26 subject to public order, morality, health |
| Art. 29–30 | Cultural & Educational Rights | Protection of minorities; right to establish & administer educational institutions | Art. 30: Both linguistic and religious minorities |
| Art. 32 | Right to Constitutional Remedies | Dr. Ambedkar called it "heart & soul" of Constitution | SC can issue writs: Habeas Corpus, Mandamus, Prohibition, Certiorari, Quo Warranto |
| Amendment | Year | Key Provisions |
|---|---|---|
| 1st | 1951 | Reasonable restrictions on freedom of speech; land reform laws in 9th Schedule |
| 7th | 1956 | Reorganization of states on linguistic basis; abolition of A, B, C, D states |
| 24th | 1971 | Abolition of privy purses and privileges of former rulers |
| 42nd | 1976 | Mini Constitution — added "Socialist", "Secular", "Integrity" to Preamble; DPSPs given primacy; Fundamental Duties added (Art. 51A) |
| 44th | 1978 | Right to property removed from Fundamental Rights (now legal right under Art. 300A); reversed some 42nd Amendment changes |
| 52nd | 1985 | Anti-defection law — 10th Schedule (disqualification on party switching) |
| 61st | 1989 | Voting age reduced from 21 to 18 years |
| 73rd | 1992 | Constitutional status to Panchayati Raj Institutions (Part IX) |
| 74th | 1992 | Constitutional status to Municipalities (Part IX-A) |
| 86th | 2002 | Education as Fundamental Right (Art. 21A); free and compulsory education for 6–14 age group |
| 91st | 2003 | Reduced number of ministerial posts to 15% of total Lok Sabha strength; one person one post |
| 100th | 2015 | Land Boundary Agreement with Bangladesh; exchange of enclaves |
| 101st | 2016 | GST introduction — Art. 246A; GST Council; concurrent power to Parliament and States |
| 103rd | 2019 | 10% reservation for Economically Weaker Sections (EWS) — Art. 15(6) and Art. 16(6) |
| Tax Type | Levied By | Description | Key Features |
|---|---|---|---|
| Income Tax (Direct) | Central Govt | Tax on individual/corporate income (Art. 246) | Progressive slabs; new vs old regime since FY 2020–21 |
| Corporate Tax (Direct) | Central Govt | Tax on company profits | Base rate 22% (new); 25% for companies with turnover up to ₹400 Cr |
| GST (Indirect) | Central + State | Unified indirect tax replacing VAT, Service Tax, Excise, etc. | CGST + SGST (intra-state); IGST (inter-state); 4 slabs: 5%, 12%, 18%, 28% |
| Customs Duty | Central Govt | Tax on imports/exports | Basic customs duty + Social Welfare Surcharge |
| Stamp Duty | State Govt | Tax on legal documents (property, agreements) | Varies by state; Art. 248 + List III |
| Property Tax | Municipal Body | Tax on immovable property within municipal limits | Key revenue source for ULBs |
| Division | Key Features | Important Facts |
|---|---|---|
| The Himalayas | Young fold mountains; 2,400 km from NW to NE; 3 parallel ranges: Himadri (Greater), Himachal (Middle), Shiwalik (Outer) | Highest peak: K2 (Godwin-Austen, 8,611m) in PoK; Kangchenjunga highest in India (8,586m) |
| The Northern Plains | Formed by alluvial deposits of Indus, Ganga, Brahmaputra; 2,500 km long; 240–320 km wide | Divided into Bhabar (pebbles), Terai (wet forests), Bhangar (old alluvium), Khadar (new alluvium) |
| The Peninsular Plateau | Tableland with broad, shallow valleys; tilted towards east; rivers form waterfalls at edge | Deccan Trap — black soil (regur) from volcanic activity; oldest landmass (part of Gondwana) |
| The Coastal Plains | Western: narrow (50 km), submerged; Eastern: wide (100–130 km), emergent, deltas | Western Coastal: Konkan, Kannad, Malabar; Eastern: Northern Circars, Coromandel Coast |
| The Islands | Andaman & Nicobar (Bay of Bengal) + Lakshadweep (Arabian Sea) | Andaman: Volcanic origin (Barren Island active volcano); Lakshadweep: Coral origin |
| River | Origin | Flows Into | Tributaries |
|---|---|---|---|
| Ganga | Gangotri Glacier (Uttarakhand) | Bay of Bengal | Yamuna, Ghaghara, Gandak, Kosi (left); Son, Gomti (right) |
| Brahmaputra | Angsi Glacier (Tibet) — Tsangpo | Bay of Bengal | Dibang, Lohit, Subansiri, Manas, Teesta |
| Indus | Sengge Zangbo (Tibet) | Arabian Sea | Jhelum, Chenab, Ravi, Beas, Sutlej |
| Godavari | Trimbakeshwar (Maharashtra) | Bay of Bengal | Pravara, Manjira, Wainganga, Indravati, Sabari |
| Krishna | Mahabaleshwar (Maharashtra) | Bay of Bengal | Tungabhadra, Koyna, Ghataprabha, Bhima, Musi |
| Narmada | Amarkantak (MP) | Arabian Sea | Hiran, Orsang, Barna, Kolar |
| Tapi | Multai (MP) | Arabian Sea | Purna, Girna, Panjhra, Bori |
| Mahanadi | Sihawa (Chhattisgarh) | Bay of Bengal | Seonath, Hasdeo, Mand, Jonk, Tel |
| Mission/Satellite | Type | Purpose | Key Facts |
|---|---|---|---|
| Gaganyaan | Human Spaceflight | India's first crewed mission to Low Earth Orbit (LEO) | 3-day mission; 2 astronauts to 300 km orbit; ₹10,000 Cr budget; GSLV Mk III (LVM3) |
| Chandrayaan-3 | Lunar Mission | Soft landing on Moon; rover & lander near South Pole | Landed Aug 23, 2023; Vikram lander + Pragyan rover; 4th country to land on Moon |
| Aditya-L1 | Solar Mission | Study Sun from Lagrange point L1 | India's first space-based solar observatory; 7 payloads; launched Sept 2023 |
| NISAR | Joint with NASA | Dual-frequency SAR satellite for Earth observation | NASA-ISRO Synthetic Aperture Radar; maps Earth surface changes every 12 days |
| NavIC | Navigation | Indian Regional Navigation Satellite System (IRNSS) | 7 satellites + 2 ground; covers 1,500 km around India; replacement for GPS in Indian region |
| GSLV Mk III | Launch Vehicle | Heavy-lift launch vehicle (LVM3) | Can carry 4,000 kg to GTO; used for Chandrayaan-2 & 3, Gaganyaan |
| PSLV | Launch Vehicle | Polar Satellite Launch Vehicle | Most reliable ISRO launcher; 4 stages; used for Chandrayaan-1, Mars Orbiter Mission |
| Mangalyaan | Mars Mission | India's Mars Orbiter Mission (MOM) | Launched 2013; entered Mars orbit Sept 2014; 1st nation to succeed in 1st attempt |
| Initiative | Description | Key Points |
|---|---|---|
| Digital India | PM's flagship program for e-governance, digital infrastructure, digital literacy | 9 pillars: Broadband highways, Universal access, e-Governance, e-Kranti, Info for all, Electronics manufacturing, IT for Jobs, Early harvest, Telecom |
| UPI | Unified Payments Interface — instant real-time payment system | World's most used digital payment platform; 1000+ crore monthly transactions (2024); NPCI manages UPI |
| DigiLocker | Cloud-based document storage & verification platform | Issued by MeitY; documents accessible anytime; 10+ crore users |
| CoWIN | COVID-19 vaccination platform; digital certificate management | World's largest digital vaccination platform; open-source; Aarogya Setu for contact tracing |
| 5G in India | Fifth-generation mobile network; 10–100x faster than 4G | Launched Oct 2022; Jio & Airtel leading rollout; 5G use cases: smart cities, telemedicine, IoT |
| AI & ML | NITI Aayog National AI Strategy; National Programme on AI | Focus areas: healthcare, agriculture, education, smart cities, mobility; India AI Mission (₹10,372 Cr) |
| Blockchain | Distributed ledger technology for secure, transparent transactions | RBI exploring CBDC (e₹ — Digital Rupee); pilot for retail & wholesale |
| Quantum Computing | NASSCOM-Qubic; IITs & ISRO research; India's National Quantum Mission | ₹6,000 Cr mission; 4 thematic hubs; developing quantum computers, communication, sensors |
| Paper | Subject | Marks | Key Areas |
|---|---|---|---|
| GS-I | Indian Heritage, Culture, History & Geography | 250 | Art & Culture (30%); Modern India (20%); Post-independence (10%); World History (15%); Society (15%); Geography (10%) |
| GS-II | Governance, Constitution, Polity, Social Justice & IR | 250 | Polity (25%); Governance (20%); Social Justice (15%); International Relations (25%); Welfare schemes (15%) |
| GS-III | Technology, Economic Development, Biodiversity & Security | 250 | Economy (25%); S&T (15%); Environment (20%); Disaster Mgmt (10%); Internal Security (15%); Agriculture (15%) |
| GS-IV | Ethics, Integrity & Aptitude | 250 | Ethics theory (40%); Case studies (120 marks); Applied ethics; Emotional intelligence; Public admin ethics |
| Essay | Two essays (125 marks each) | 250 | Choose from 6–8 topics; 1000–1200 words each; structure: Intro → Body → Conclusion |
| Component | Description | Example (GS-II: Parliamentary Democracy) |
|---|---|---|
| P — Point | Direct answer to the question; your thesis/stand | Parliamentary democracy in India faces structural challenges but remains resilient due to constitutional safeguards. |
| E — Evidence | Facts, data, Constitutional provisions, reports | Art. 79 defines Parliament; disruption in 16th LS — 37% time lost (PRS Legislative Research); committee system: 24 DRSCs examine bills. |
| E — Evaluation | Analysis, pros/cons, multiple dimensions | Pros: Accountability, representation, deliberation. Cons: Whipping stifles debate, money power, criminalization, reduced sitting days. |
| L — Link/Conclusion | Forward-looking summary with recommendations | Reforms needed: Anti-defection review (Dinesh Goswami Committee), simultaneous elections, digital voting, enhanced committee role. |
| Question Type | Structure | Word Count |
|---|---|---|
| Discuss | Context → Positive aspects → Negative aspects → Current status → Conclusion | 250–300 words |
| Critically Analyze | Definition → Multiple perspectives → Evaluate each → Your balanced view | 250–300 words |
| Enumerate | Direct listing with brief explanations → categorize logically | 200–250 words |
| Evaluate | Define → Criteria → Assess against criteria → Evidence → Conclusion | 250–300 words |
| Comment | Brief intro → 3–4 key points with analysis → Conclusion | 150–200 words |
| Elaborate | Define → Detailed explanation → Examples → Significance → Conclusion | 200–250 words |
| Source | Coverage | Method | Notes |
|---|---|---|---|
| The Hindu / Indian Express | Daily news analysis | Read editorials + 2–3 main news; make 2-line notes | Editorials for GS-II & IV; main news for GS-I, III |
| PIB (pib.gov.in) | Government schemes, policy updates | Weekly summary of key releases | Official source for government stance; use in answers |
| PRS Legislative Research | Bills, parliamentary proceedings, policy analysis | Monthly tracking of important bills | prsindia.org — essential for GS-II |
| Rajya Sabha TV / Sansad TV | In-depth discussions on policy | Watch "The Big Picture" or "India's World" weekly | Argument points for mains answers |
| Yojana & Kurukshetra | Government policy deep-dive (monthly magazines) | Read current month's theme issue; make notes | Yojana: social & economic policy; Kurukshetra: rural & agriculture |
| Economic Survey | Annual economy review | Read key chapters; note data points & diagrams | Published before Union Budget; essential for GS-III Economy |
| India Year Book | Government departments & schemes | Quick reference for schemes, constitutional bodies | Published by MoI&C; skim through key chapters |
| Down To Earth | Environment & ecology | Bi-weekly magazine; monthly compilation | Essential for GS-III Environment section; climate, biodiversity |
| Index/Report | Published By | India's Rank/Score | Subject |
|---|---|---|---|
| Human Development Index (HDI) | UNDP | Rank: ~132 (2024) | Health, education, living standards |
| Global Hunger Index | Concern Worldwide & IFPRI | Rank: ~105 (2024) | Undernourishment, child wasting, stunting, mortality |
| Global Innovation Index | WIPO & INSEAD | Rank: ~40 (2024) | Institutions, human capital, infrastructure, market sophistication |
| Ease of Doing Business | Discontinued (replaced) | Last: 63rd (2020) | Regulatory environment for business; now World Bank's B-READY |
| Corruption Perceptions Index | Transparency International | Rank: ~93 (2024) | Public sector corruption perception |
| World Happiness Report | UN Sustainable Development Solutions Network | Rank: ~126 (2024) | Social support, freedom, corruption, GDP per capita |
| Global Competitiveness Index | World Economic Forum | Rank: ~40 (2019, pre-pandemic) | Institutions, infrastructure, macroeconomics, innovation |
| Gender Gap Report | World Economic Forum | Rank: ~129 (2024) | Economic, education, health, political participation gaps |
| Subject | Avg. Questions | Weightage | Focus Areas |
|---|---|---|---|
| History & Culture | 15–20 | 12–16% | Modern India (1857–1947), Art & Culture, Ancient (Buddhism/Jainism), Post-independence |
| Geography | 12–18 | 10–15% | Indian geography (physical, economic), mapping, current environmental issues, world geo |
| Polity & Governance | 15–20 | 12–16% | Fundamental Rights, DPSP, Amendments, Parliament, Committees, Panchayati Raj |
| Economy | 12–18 | 10–15% | Budget, banking/RBI, inflation, fiscal policy, schemes, economic survey data |
| Science & Tech | 12–18 | 10–15% | Space missions, defence tech, biotechnology, IT/digital, everyday science |
| Environment | 12–18 | 10–15% | National parks, conventions, climate change, biodiversity, pollution, government programs |
| Current Affairs | 15–25 | 12–20% | Government schemes, international events, awards, appointments, sports, summits |
| Ethics (CSAT Paper-II) | — | Qualifier | Comprehension, logical reasoning, data interpretation, basic numeracy, decision-making |
| Pattern | Description | Example | Strategy |
|---|---|---|---|
| Statement-based | 2–3 statements, choose correct/incorrect combination | Consider statements about Fundamental Rights; which is/are correct? | Eliminate obviously wrong statements; check each independently |
| Match the following | Two columns to match | Match rivers with their origins | Start with confident matches; use elimination for remaining |
| Assertion-Reason | A + R; check if both true and if R explains A | A: Himalayas are young fold mountains. R: They were formed by collision of plates. | Check truth of each independently, then causal link |
| Odd one out | Identify the item that does not belong | Which is NOT a Fundamental Right? | Look for the common thread; find what breaks it |
| Pair-based | Match terms with descriptions | Match Constitutional bodies with their Articles | Eliminate known correct pairs; solve remaining |
| Map-based | Identify location on map | Identify the river marked on the map | Daily map practice; mark all important locations on blank map |
| Topic | Frequency (10 yrs) | GS Paper | Nature of Questions |
|---|---|---|---|
| Women empowerment & gender issues | 8–10 times | GS-I | Discuss, evaluate, critically analyze — link to schemes, laws, constitutional provisions |
| Federalism & Centre-State relations | 6–8 times | GS-II | Always current angle (GST, NITI Aayog, CAA, simultaneous elections) |
| Parliament & State Legislatures | 5–7 times | GS-II | Functioning, reforms, disruption, committee system, anti-defection |
| Judiciary & constitutional interpretation | 5–6 times | GS-II | Collegium vs NJAC, judicial activism, PIL, backlog, landmark judgments |
| Social movements & reform | 4–6 times | GS-I | Tribal movements, Dalit issues, regionalism, communalism, secularism |
| Globalization & its impact | 4–5 times | GS-I/III | Impact on culture, economy, society; link to WTO, FDI, digital globalization |
| Governance & e-governance | 4–6 times | GS-II | Citizen charter, RTI, good governance, transparency, accountability |
| International relations | 8–10 times | GS-II | India & neighbors, global groupings (UN, BRICS, QUAD), border issues |
| Stage | Timeline | Focus | Daily Hours |
|---|---|---|---|
| Foundation | Months 1–3 | NCERTs (6–12), Laxmikanth (Polity), Spectrum (Modern History), certificate Physical & Human Geography | 6–8 hrs |
| Core Build-up | Months 4–6 | Standard books (Economy: Ramesh Singh, Environment: Shankar IAS), 1st reading of current affairs | 8–10 hrs |
| Prelims Focus | Months 7–9 | PYQs (last 15 years), revision, mock tests (minimum 30), current affairs compilation | 10–12 hrs |
| Mains Transition | Months 10–12 | Answer writing practice (1–2 daily), Optional subject prep, GS syllabus completion | 10–12 hrs |
| Mains Intensive | Months 13–15 | Daily answer writing, essay practice, test series, revision, current affairs consolidation | 10–12 hrs |
| Interview Prep | Months 16–17 | DAF-based prep, mock interviews, current affairs brush-up, personality development | 4–6 hrs |
| Subject | Book | Author/Publisher | Relevance |
|---|---|---|---|
| Polity | Indian Polity | M. Laxmikanth | Bible for UPSC Polity — read 3–4 times; covers entire syllabus |
| Modern History | India's Struggle for Independence | Bipan Chandra | Detailed coverage of freedom struggle; read selectively |
| Modern History (Brief) | A Brief History of Modern India | Spectrum Publications | Concise revision; table-based; very important for Prelims |
| Geography | Certificate Physical & Human Geography | Goh Cheng Leong | Physical geography fundamentals; climate, vegetation, soils |
| Geography (Indian) | Geography of India | Majid Husain | Comprehensive Indian geography; resource distribution, regions |
| Economy | Indian Economy | Ramesh Singh (Tata McGraw Hill) | Complete economy coverage; read after NCERTs; current affairs linkage |
| Environment | Environment | Shankar IAS Academy | Most comprehensive for UPSC; conventions, biodiversity, pollution |
| Art & Culture | Art & Culture | Nitin Singhania | Complete coverage; art, architecture, literature, religion; very important for GS-I |
| Ethics | Ethics, Integrity & Aptitude | Subba Rao / Lexicon / M. Karthikeyan | Theory + thinkers + case study practice; GS-IV preparation |
| CSAT | CSAT Paper-II (TMH / Pearson / Arihant) | Multiple authors | Focus on comprehension, reasoning, data interpretation; past year papers sufficient |