GS Paper 1 practice questions for UPSC Mains 2026.

Introduction: Place the Indus / Harappan civilisation in the Bronze Age (c. 2600–1900 BCE) and frame the dual claim — urban planning plus craft specialisation.

Body — three dimensions: (1) Hydraulic engineering: Great Bath at Mohenjodaro, Dholavira’s sixteen reservoirs, Lothal dockyard. (2) Town planning: grid streets, citadel–lower town division, covered drains, standardised baked bricks (1:2:4 ratio). (3) Craft and trade economy: shell from Nageshwar, carnelian beads from Chanhudaro, weights in 16-ratios, Meluhha seals at Mesopotamian sites.

Conclusion: The Harappan achievement was an integrated urban system; recent excavations at Rakhigarhi and Sinauli are extending, not overturning, this picture.

Introduction: Locate Ashoka (268–232 BCE) after the Kalinga War (c. 261 BCE) and define Dhamma as a civic-ethical code, distinct from sectarian Buddhism.

Body — three dimensions: (1) Political logic: holding together a multi-ethnic empire from Kandahar to Karnataka through shared ethical norms. (2) Content from edicts: non-violence, religious tolerance, respect for elders, ahimsa to animals, social welfare (RE I, II, XII, XIII). (3) Institutions: Dhamma Mahamattas, hospitals, road-side wells, animal welfare — Sarnath edict, Bhabru edict.

Conclusion: Romila Thapar’s reading — Dhamma was a moral cement for the Mauryan state, not theological doctrine.

Introduction: Bhakti as a c. 7th-to-17th century devotional ferment, originating with the Alvars and Nayanars of Tamil country.

Body — three dimensions: (1) Nirguna stream: Kabir (Banaras weaver), Guru Nanak (Punjab), Dadu Dayal — rejection of idol worship, attack on caste, vernacular utterance. (2) Saguna stream: Tulsidas (Awadhi Ramcharitmanas), Surdas (Krishna bhakti, Braj), Mirabai (Rajasthan). (3) Regional and linguistic spread: Chaitanya in Bengal, Shankaradeva in Assam, the Varkari tradition of Maharashtra — Jnaneshwar, Namdev, Tukaram. Use of Awadhi, Braj, Marathi, Bengali, Punjabi against Sanskrit elitism.

Conclusion: Bhakti was India’s first mass vernacular cultural movement, simultaneously religious, social and linguistic.

Introduction: Akbar (r. 1556–1605) consolidated Mughal rule less through battlefield expansion after 1576 than through institutional and ideological innovation.

Body — three dimensions: (1) Mansabdari system: zat and sawar ranks introduced 1577, mansabdars as a numbered nobility from Iranis, Turanis, Rajputs and Indian Muslims — broke factional dominance. (2) Land revenue — Todar Mal’s Dahsala bandobast, 1580, ten-year average price-yield assessment. (3) Religious policy: abolition of jizya (1564), Rajput marriage alliances, Ibadat Khana debates (1575), Din-i-Ilahi (1582), sulh-i-kul as ruling principle.

Conclusion: Athar Ali’s thesis — mansabdari plus sulh-i-kul gave the Mughal state its 17th-century resilience; the unravelling under Aurangzeb shows what their dilution cost.

Introduction: The 1857 Revolt began at Meerut on 10 May 1857 and spread across the Doab. Two competing readings — sepoy mutiny vs first war of independence — frame the historiographical debate.

Body — weigh evidence: (1) For ‘old order’ reading: leadership of Bahadur Shah II, Nana Saheb, Begum Hazrat Mahal, Rani Laxmibai — dispossessed feudal classes; grievances against Doctrine of Lapse (Jhansi, Satara, Awadh annexation 1856); confinement to Hindi belt, no participation from Madras, Bombay, Punjab Sikh rulers. (2) For ‘first war’ reading: V.D. Savarkar’s 1909 thesis, S.B. Chaudhuri’s social uprising thesis, Hindu-Muslim joint cause around the Emperor, mass civilian participation in Awadh and Rohilkhand. (3) Verdict: Bipan Chandra — it was neither a mutiny nor a national war, but a popular revolt without a national consciousness.

Conclusion: 1857 was a transformative inflection point — Crown Rule, end of EIC, Queen’s Proclamation 1858 — even if not yet national.

Introduction: Three local agitations Gandhi led on his return from South Africa worked out the technique he would later scale nationally.

Body — three dimensions: (1) Issue-based mobilisation — indigo planters at Champaran, mill wages at Ahmedabad, revenue suspension at Kheda. (2) Constructive method — fact-finding survey, voluntary fast, settlement through arbitration. (3) Building a cadre — Rajendra Prasad, Brajkishore Prasad, Mahadev Desai, Vallabhbhai Patel groomed as lieutenants.

Conclusion: By 1919 Gandhi had a tested model — issue, satyagraha, arbitration, leadership pipeline — ready for the Rowlatt Satyagraha.

Introduction: The ICAR-NBSS&LUP classifies Indian soils into eight major orders; four account for almost the whole cropped area.

Body — three dimensions: (1) Alluvial — Indo-Gangetic plain, khadar and bhangar, supports wheat-rice cropping in Punjab, Haryana, UP. (2) Black or regur — Deccan Trap weathering, montmorillonite clay, self-ploughing, supports cotton in Maharashtra, Gujarat, MP. (3) Red and laterite — leached, iron-rich, low fertility, on Tamil Nadu, Karnataka, Kerala uplands; laterites support cashew and rubber. (4) Limits: soil erosion (5.3 billion tonnes/year per ICAR), salinity in canal-irrigated Punjab, organic carbon below 0.5% in over 60% of districts.

Conclusion: The Soil Health Card Scheme (2015) is the policy attempt to match crop choice to soil reality.

Introduction: At independence India inherited 565 princely states under the doctrine of paramountcy lapsed by the Indian Independence Act 1947.

Body — three dimensions: (1) Instrument of Accession: signed by all but three rulers by 15 August 1947; V.P. Menon as Patel’s draftsman. (2) Hard cases: Junagadh — plebiscite, February 1948; Hyderabad — Operation Polo, 13–18 September 1948; Jammu and Kashmir — accession on 26 October 1947 after tribal invasion. (3) Method: persuasion plus privy purses (abolished 1971 by 26th Amendment), conversion of states into Part B states (1950) then full reorganisation in 1956.

Conclusion: Patel’s integration converted a patchwork of princely sovereignties into a single constitutional union, without which the Constitution of 1950 could not have functioned.

Introduction: The States Reorganisation Act 1956 redrew India’s internal map along linguistic lines, after a decade of contested commissions.

Body — weigh evidence: (1) Initial caution — Dar Commission, 1948, opposed linguistic states for fear of fragmentation; JVP Committee (Jawaharlal, Vallabhbhai, Pattabhi Sitaramayya), 1949, accepted same. (2) Trigger — Potti Sriramulu’s fast-unto-death and Andhra Pradesh, 1953, the first linguistic state. (3) Reorganisation — Fazl Ali Commission, 1953–55; States Reorganisation Act, 1 November 1956, reorganised into 14 states and 6 UTs along language. (4) Trade-off — democratic legitimacy and administrative convenience won against feared Balkanisation; later challenges (Punjabi Suba 1966, Telangana 2014) showed linguistic principle had limits.

Conclusion: Selig Harrison’s 1960 warning of ‘dangerous decades’ proved overstated; linguistic states became a tool of, not a threat to, Indian federalism.

Introduction: India’s rivers fall into two systems shaped by the country’s split physiography — young Himalayas in the north, ancient Deccan plateau in the south.

Body — three dimensions: (1) Origin and age: Himalayan rivers are antecedent, predating Himalayan uplift (Indus, Brahmaputra cut transverse gorges); Peninsular rivers (Godavari, Krishna, Cauvery) flow on a pre-Cambrian plateau. (2) Hydrology: Himalayan rivers are perennial — snowmelt plus monsoon; Peninsular are seasonal, monsoon-fed, with deep gradient-graded courses. (3) Economic value: Himalayan rivers supply 80% of India’s usable surface water, support Indo-Gangetic agriculture, hydropower potential; Peninsular rivers support irrigation in deltas (Krishna-Godavari, Cauvery), inland navigation limited.

Conclusion: The two drainage systems sit behind India’s most political river disputes — Indus Waters Treaty (1960), Cauvery Tribunal, Krishna allocation — because their hydrology defines who has water to share.

Introduction: The Dandi March (12 March to 6 April 1930) launched the Civil Disobedience Movement by walking 240 miles from Sabarmati Ashram to the Dandi sea coast in Gujarat.

Body — three dimensions: (1) Symbolic: salt as universal commodity, breaking a tax monopoly that fell hardest on the poorest — inverting Lord Salisbury’s claim that salt was not a political issue. (2) Strategic: 78 chosen marchers, daily speaking halts, nation-wide replication on the West and East coasts — Sarojini Naidu at Dharasana, C. Rajagopalachari’s Vedaranyam march. (3) International: world press coverage by United Press’ Webb Miller, the Salt March as the moment Indian nationalism became a global news story; led to the Gandhi-Irwin Pact, 5 March 1931 and Gandhi’s Second Round Table Conference visit.

Conclusion: Dandi turned an obscure tax into the most legible image of colonial injustice and made the Congress a global political actor.

Introduction: The Quit India Movement, launched at Bombay on 8 August 1942 with Gandhi’s ‘Do or Die’ call, became a leaderless uprising after the wholesale arrest of Congress leadership the next morning.

Body — three dimensions: (1) Causes of leaderlessness: Operation Zero Hour arrests; failure of Cripps Mission in March 1942 had radicalised even the moderates. (2) Form of the uprising: parallel governments at Ballia (Chittu Pandey), Tamluk (Tamralipta Jatiya Sarkar) in Midnapore, Satara (Prati Sarkar under Y.B. Chavan); communications sabotage, attacks on police stations — over 250 stations destroyed. (3) Significance: showed the depth of nationalist consciousness even without central leadership; convinced the British that the Raj could not be policed; led to the post-war Cabinet Mission of 1946.

Conclusion: Quit India confirmed Bipan Chandra’s reading — Indian nationalism had become a mass force capable of acting without prompting from the top.

Introduction: The Indian plate, drifting north at about 5 cm per year, collides with the Eurasian plate along the Himalaya and the Indo-Burmese arc.

Body — three dimensions: (1) Direct hazards: earthquakes — Bhuj 2001 (Mw 7.7), Sikkim 2011 (Mw 6.9), Doda 2013, Nepal-Bihar 2015 (Mw 7.8). (2) Coupled hazards: tsunami from the Sumatra-Andaman 2004 quake (Mw 9.1–9.3), landslides in Uttarakhand 2013, glacial lake outburst floods. (3) Long-run consequences: the Himalayas as monsoon barrier and water tower; subduction below Indonesia generating the Ring of Fire phenomena.

Conclusion: Plate tectonics defines India’s natural-hazard map; Seismic Zone IV and V cover a third of the country.

Introduction: The southwest monsoon, June to September, delivers about 75% of India’s annual rainfall against a Long Period Average of 87 cm.

Body — three dimensions: (1) Atmosphere-ocean: ENSO — El Niño warm phase suppresses monsoon (2015, 2023 deficit years), La Niña typically enhances it (2020–22 triple-dip surplus). (2) IOD: discovered by N.H. Saji in 1999; positive IOD with warm western Indian Ocean offsets El Niño impact (1997, 2019). (3) Orography and circulation: Tibetan Plateau heating drives the Tibetan High and the easterly jet over peninsular India; the Mascarene High and Somali Jet supply moisture. The Western Disturbances govern winter precipitation.

Conclusion: Forecasting now treats the monsoon as a coupled system; IMD’s dynamical Monsoon Mission model uses these teleconnections to issue Long Range Forecasts.

Introduction: The Indian Ocean accounts for around 7% of global cyclones, but the Bay of Bengal’s share of cyclones is roughly four times that of the Arabian Sea.

Body — three dimensions: (1) Physical reasons: warmer Bay SSTs above 28°C through year, low salinity from Ganga-Brahmaputra freshwater inflow boosting stratification, funnel-shaped coastline at the head of Bay amplifying storm surges. (2) Human reasons: high population density on Bengal-Odisha coast, low-lying delta of the Sundarbans, weaker housing stock; Andhra-Tamil Nadu coast densely settled. (3) Arabian Sea trend: warming has produced Ockhi 2017, Tauktae 2021, Biparjoy 2023 — IITM Pune attributes a 52% rise in intense Arabian Sea cyclones since 1982 to Indian Ocean warming.

Conclusion: Coastal vulnerability is rising on both seaboards; the IMD-NDMA Multi-Hazard Early Warning System and Odisha’s near-zero-death cyclone shelters offer the operational model.

Introduction: The Chota Nagpur Plateau, covering Jharkhand and parts of Odisha, Chhattisgarh, West Bengal and Bihar, hosts India’s densest concentration of mineral reserves and its largest tribal population belt.

Body — three dimensions: (1) Mineral base: Jharia and Bokaro coalfields, Singhbhum copper belt, Noamundi iron ore, Hazaribagh mica, Kodarma bauxite — over 40% of India’s mineral reserves by value. (2) Tribal heartland: Santhal, Munda, Oraon and Ho communities; Birsa Munda’s Ulgulan, 1899–1900; the Santhal Hool, 1855–56. (3) Conflict overlay: Forest Rights Act 2006 implementation, displacement from Jharia coalfield, Niyamgiri verdict (2013) on Vedanta and the Dongria Kondh, the protracted left-wing extremism corridor.

Conclusion: The plateau is where India’s resource economy and constitutional commitments to Scheduled Tribes are tested in the same square kilometres.

Introduction: PLFS 2023-24 reports FLFPR at 41.7%, an 18-point rise in six years; the headline conceals a quality problem.

Body — weigh evidence: (1) Composition: most of the rise sits in unpaid family labour and self-employment in agriculture; salaried regular wage share for women fell to 15.9%. (2) Care burden: NSO Time Use Survey 2024 — women do 289 minutes a day of unpaid domestic work, men 88 minutes (3.3x gap). (3) Policy: Maternity Benefit Amendment 2017, Anganwadi crches under Mission Saksham Anganwadi, Code on Wages 2019, Lakhpati Didi scheme; missing pieces — universal childcare, paid eldercare, social security for gig and self-employed women.

Conclusion: Diane Elson’s ‘recognise, reduce, redistribute’ frame for care work is the missing third pillar; without it, FLFPR rises will keep being counted, not paid.

Introduction: India has 22 scheduled languages (Eighth Schedule), six ‘classical’ languages, six major religions, and over 4,500 ethnic communities listed by the Anthropological Survey’s People of India project.

Body — three dimensions: (1) Constitutional secularism: Article 25–28 freedom of religion, S.R. Bommai (1994) basic structure ruling, Indian model of ‘principled distance’ (Rajeev Bhargava). (2) Linguistic federalism: Eighth Schedule, States Reorganisation Act 1956, Official Languages Act 1963, three-language formula. (3) Sect and community pluralism: Lingayats and Veerashaivas, Ravidassia, Meiteis vs Kukis, Bohra and Khoja Ismaili sects — layered identities the state navigates through both protection and recognition.

Conclusion: Diversity is not merely tolerated but constitutionally engineered through Articles 29–30 minority rights and the federal scheme — it is a working political resource.

Introduction: India’s urban share, last measured at 31.16% in Census 2011, is projected by the World Bank’s 2025 report to reach about 951 million urban Indians by 2050.

Body — three dimensions: (1) Migration: 45.36 crore migrants in Census 2011, with rural-to-urban moves driving city growth. PRS data shows over 80% of urban informal workers are migrants. (2) Housing: National Buildings Organisation puts the urban housing shortage at 1.88 crore in 2012 with 95% in EWS and LIG; PMAY-Urban 2.0 (September 2024) sanctioned around 3.53 lakh houses by mid-2025. (3) Governance: 74th Constitutional Amendment 1992 devolved 18 functions to ULBs but state finance commissions remain weak; municipal own revenue is 1% of GDP against the global 7%.

Conclusion: The Isher Judge Ahluwalia HPEC 2011 report’s estimate of ₹39 lakh crore in urban investment over 20 years is still the benchmark; without fiscal devolution to ULBs the dual city will harden.

Introduction: The Union Cabinet approved caste enumeration in Census 2027 on 12 December 2025, the first full caste count since 1931, at an outlay of ₹11,718.24 crore.

Body — weigh evidence: (1) Case for evidence: Mandal Commission (1980) recommended 27% OBC reservation based on a 1931 figure of 52%; no fresh data since. Indra Sawhney (1992) drew the 50% ceiling. (2) Recent demand: Maratha, Patidar, Jat agitations, Bihar caste survey 2023, sub-classification verdict in State of Punjab v. Davinder Singh (2024). (3) Risks: classification chaos in Mandal-listed castes; risk of cementing caste in administration; SECC 2011 caste data never released. M.N. Srinivas’ warning that counting hardens identity.

Conclusion: Andre Beteille’s caution — measurement is not neutral; whether caste data delivers justice depends on whether it is used for graded outcomes or political arithmetic.