Geography

UPSC Geography 2026 — Paper II

All 8 questions from UPSC Civil Services Mains Geography 2026 Paper II (400 marks total). Every stem reproduced in full, with directive-word analysis, marks, word limits, and answer-approach pointers.

8Questions
400Total marks
2026Year
Paper IIPaper

A

Q1
50M Compulsory outline

(a) On the outline map of India provided to you, mark the location of all of the following. Write in your QCA Booklet the significance of these locations, whether physical / commercial / economic / ecological / environmental / cultural, in no more than 30 words for each entry : 2×10=20 (i) Bitra Island (ii) Lohit River (iii) Dras (iv) Kuno National Park (v) Yadadri (vi) Mahi Basin (vii) Tamralipta (viii) Toranmal (ix) Raya Heritage City (x) Varkala For question no. 1(a) (20 marks) (b) Briefly describe the origin, distribution and economic significance of Cuddapah and Dharwar rock systems of India. (10 marks) (c) Explain the vertical zonation of vegetation of the Himalayas. (10 marks) (d) Describe the geographical conditions necessary for the growth of mangrove forests in India. Explain their ecological and economic significance. (10 marks)

हिंदी में पढ़ें

(a) आपको दिए गए भारत के रेखा-मानचित्र पर, निम्नलिखित सभी की स्थिति को अंकित कीजिए । अपनी क्यू.सी.ए. पुस्तिका में इन स्थानों में से प्रत्येक का भौतिक / वाणिज्यिक / आर्थिक / पारिस्थितिक / पर्यावरणीय / सांस्कृतिक महत्व अधिकतम 30 शब्दों में लिखिए : (i) बित्रा द्वीप (ii) लोहित नदी (iii) द्रास (iv) कूनो राष्ट्रीय उद्यान (v) यदाद्रि (vi) माही बेसिन (vii) ताम्रलिप्त (viii) तोरणमाल (ix) राया हेरिटेज सिटी (x) वर्कला प्रश्न सं. 1(a) के लिए (20 अंक) (b) भारत में कडप्पा तथा धारवाड़ शैल समूहों की उत्पत्ति, वितरण और आर्थिक महत्व का संक्षेप में वर्णन कीजिए। (10 अंक) (c) हिमालय की वनस्पति के ऊर्ध्वाधर क्षेत्रीकरण (अनुक्षेत्र-वर्गीकरण) की व्याख्या कीजिए। (10 अंक) (d) भारत में ज्वारीय (मैंग्रोव) वनों के विकास के लिए आवश्यक भौगोलिक दशाओं का वर्णन कीजिए। उनके पारिस्थितिक तथा आर्थिक महत्व की व्याख्या कीजिए। (10 अंक)

Answer approach & key points

(a) Two linked tasks for each of ten entries: (1) mark the correct location on the outline map of India, and (2) write not more than 30 words on its physical/commercial/economic/ecological/environmental/cultural significance. All ten must be attempted: (i) Bitra Island, (ii) Lohit River, (iii) Dras, (iv) Kuno National Park, (v) Yadadri, (vi) Mahi Basin, (vii) Tamralipta, (viii) Toranmal, (ix) Raya Heritage City, (x) Varkala. (b) A compact note covering three things for BOTH the Cuddapah and the Dharwar systems: their origin (mode of formation and geological age), their spatial distribution in India, and their economic significance (minerals and materials). A comparative treatment is expected, not two unconnected paragraphs. (c) Explain how Himalayan vegetation changes with altitude - name the successive belts with their approximate altitudinal limits and characteristic species - and explain WHY the zonation occurs (lapse rate, precipitation, aspect), including the east-west contrast between the wetter Eastern and drier Western Himalaya. (d) Two parts. First DESCRIBE the geographical (climatic, hydrological, edaphic and geomorphic) conditions required for mangrove growth in India, with the resulting distribution. Second EXPLAIN their ecological significance and their economic significance separately.

  • Bitra - smallest inhabited island of Lakshadweep, coral atoll/lagoon, Arabian Sea
  • Lohit - Arunachal Pradesh, tributary that helps form the Brahmaputra near Sadiya, Parshuram Kund
  • Dras - Kargil district, Ladakh, coldest inhabited place/Zoji La-NH-1, 1999 Kargil war
  • Kuno National Park - Sheopur, Madhya Pradesh, Project Cheetah (2022 Namibia, 2023 South Africa)
  • Yadadri - Telangana, Lakshmi Narasimha Swamy temple town
  • Mahi - Vindhyan source, crosses the Tropic of Cancer twice, Mahi Bajaj Sagar and Kadana dams, Gulf of Khambhat
  • Tamralipta - Tamluk, West Bengal, ancient port on the Rupnarayan
  • Toranmal - Satpura range, Nandurbar, Maharashtra hill station
  • Raya Heritage City - Mathura district, Uttar Pradesh, Yamuna Expressway/YEIDA Krishna heritage city
  • Varkala - Kerala, Tertiary cliffs/National Geological Monument, Sivagiri Mutt
  • Dharwar - oldest metamorphosed sedimentary system, Archaean-Palaeoproterozoic
  • Kolar and Hutti gold fields; Bababudan/Kudremukh iron ore
  • Cuddapah - Proterozoic, unconformable over the Dharwars, crescent-shaped basin in Andhra Pradesh
  • Mangampet barytes (Kadapa district)
  • Tummalapalle uranium in the Cuddapah basin
  • Cement-grade limestone, slate and quartzite from the Cuddapahs
  • Shorea robusta (sal) in the foothill belt
  • Pinus roxburghii (chir pine) in the Western sub-tropical belt
  • Cedrus deodara, Pinus wallichiana, Abies pindrow, Picea smithiana in the temperate belt
  • Betula utilis (birch) and rhododendron at the treeline/sub-alpine
  • Alpine meadows - bugyal/marg - and transhumance
  • Lapse rate of about 6.5 C per km; east-west moisture contrast; aspect
  • Brackish water/salinity range and regular tidal inundation
  • Fine anaerobic alluvial mud on sheltered low-energy deltaic or estuarine coasts
  • Sundarbans (largest block), Bhitarkanika, Coringa/Godavari, Pichavaram, Gulf of Kachchh
  • Pneumatophores, stilt roots and vivipary; Rhizophora, Avicennia, Sonneratia, Heritiera fomes
  • Bio-shield role - 1999 Odisha super cyclone and 2004 tsunami evidence
  • Blue carbon; honey/wax and fisheries; MISHTI/CRZ-I/Ramsar
Q2
50M critically examine

(a) The relationship between El Niño and the Indian monsoon is becoming complex under the conditions of global warming. Critically examine. (20 marks) (b) Discuss the role of the private sector in the technological advancements of the defence industry in India. (15 marks) (c) Explain the global supply chain for the fertilizer industry in India. How do international prices of key inputs affect domestic production? (15 marks)

हिंदी में पढ़ें

(a) भूमंडलीय तापन (ग्लोबल वार्मिंग) की स्थिति में एल-नीनो और भारतीय मानसून के बीच का सम्बन्ध जटिल होता जा रहा है। समालोचनात्मक परीक्षण कीजिए। (20 अंक) (b) भारत में रक्षा उद्योग की तकनीकी प्रगति में निजी क्षेत्र की भूमिका की विवेचना कीजिए। (15 अंक) (c) भारत में उर्वरक उद्योग के लिए वैश्विक आपूर्ति शृंखला की व्याख्या कीजिए। प्रमुख निवेशों की अन्तर्राष्ट्रीय कीमतें घरेलू उत्पादन को कैसे प्रभावित करती हैं? (15 अंक)

Answer approach & key points

(a) 'Critically examine' - first establish the classical El Nino-Indian summer monsoon teleconnection and its mechanism, then show with evidence that the relationship has become complex/non-stationary (weakening correlation, exceptions, ENSO flavours, competing drivers), and finally judge how global warming is reshaping it and what this means for forecasting. (b) 'Discuss' the private sector's contribution specifically to TECHNOLOGICAL advancement in India's defence industry - the enabling policy framework, concrete company-and-product examples, the geography of private defence clusters, and a balanced assessment of limitations. (c) Two parts. First EXPLAIN the global supply chain on which India's fertilizer industry depends - nutrient by nutrient (N, P, K), the source countries, the port-based plant geography and the shipping routes. Second explain the TRANSMISSION MECHANISM by which international input prices affect domestic production, subsidy, prices and nutrient use, with India's responses.

  • Walker circulation and Southern Oscillation
  • Kumar, Rajagopalan and Cane (1999) weakening ENSO-monsoon correlation
  • Indian Ocean Dipole (Saji and others, 1999); 1997 and 2019 as offset years
  • El Nino Modoki / central-Pacific El Nino (Ashok and others, 2007)
  • 1997 normal monsoon under a strong El Nino versus the 2002 deficit under a weak El Nino
  • Fast tropical Indian Ocean warming and rising extreme rainfall over central India
  • Monsoon Mission dynamical forecasting
  • 74 per cent FDI automatic route (2020) and Strategic Partnership model
  • Defence Acquisition Procedure 2020; positive indigenisation lists
  • iDEX and the Technology Development Fund
  • Defence Industrial Corridors - Uttar Pradesh and Tamil Nadu, with nodes
  • Named private firms with named products (L&T K9 Vajra-T, Tata-Airbus C-295, Bharat Forge ATAGS)
  • Ordnance Factory Board corporatisation into seven DPSUs (2021)
  • Natural gas/LNG as the urea feedstock and the gas-price pass-through
  • Morocco, Jordan, Saudi Arabia for rock phosphate/phosphoric acid/DAP
  • 100 per cent potash import dependence - Russia, Belarus, Canada, Israel, Jordan
  • Nutrient Based Subsidy for P and K versus statutorily fixed urea MRP
  • The subsidy spike after 2021-22 and the Russia-Ukraine war/Belarus sanctions/China export curbs
  • NPK use imbalance against the desirable 4:2:1 ratio
  • OMIFCO (Oman), JIFCO (Jordan), ICS (Senegal); revived plants - Ramagundam, Gorakhpur, Sindri, Barauni, Talcher
Q3
50M examine

(a) Examine the causes and consequences of crop diversification in India. How can crop diversification contribute to sustainable agriculture? (20 marks) (b) India's vulnerability to maritime choke-points has increased sharply over time due to geopolitical tensions. Discuss. (15 marks) (c) Efficient use of energy resources can resolve the energy crisis in India. Comment. (15 marks)

हिंदी में पढ़ें

(a) भारत में शस्य विविधीकरण के कारणों तथा परिणामों का परीक्षण कीजिए। सतत कृषि में शस्य विविधीकरण कैसे योगदान दे सकता है? (20 अंक) (b) संकरे समुद्री मार्गों (चोक-प्वॉइंट्स) के प्रति भारत की संवेदनशीलता समय के साथ भू-राजनीतिक तनावों के कारण तेजी से बढ़ी है। विवेचना कीजिए। (15 अंक) (c) ऊर्जा संसाधनों का कुशल उपयोग भारत में ऊर्जा-संकट का समाधान कर सकता है। टिप्पणी कीजिए। (15 अंक)

Answer approach & key points

(a) Three linked tasks: 'examine' the causes of crop diversification in India, 'examine' its consequences (both favourable and adverse), and then answer the explicit second question - how diversification can contribute to sustainable agriculture. An answer that treats only causes and consequences, or only sustainability, is incomplete. (b) Discuss, i.e. establish with evidence, that India's exposure to maritime choke-points has risen sharply over time, and that geopolitical tension is the driver. The answer must name the specific choke-points, quantify India's seaborne dependence, cite recent geopolitical episodes, and indicate India's responses. (c) 'Comment' on a strong claim - that efficiency alone can resolve India's energy crisis. The answer must agree in part (showing the real gains available from efficiency, with named institutions and schemes) and disagree in part (showing why demand growth, the rebound effect, fuel-import dependence and the supply mix mean efficiency is necessary but not sufficient), and then take a position.

  • Simpson's Index of Diversification / Herfindahl index
  • Crop Diversification Programme (2013-14, under RKVY, for Punjab, Haryana, western Uttar Pradesh)
  • Mission for Integrated Development of Horticulture (MIDH)
  • National Mission on Edible Oils-Oil Palm (2021)
  • Central Ground Water Board over-exploited blocks in Punjab
  • average operational holding 1.08 ha (Agriculture Census 2015-16)
  • horticulture output exceeding foodgrain output since about 2012-13
  • International Year of Millets 2023 / Shree Anna
  • MSP and procurement skew towards rice and wheat
  • Bhavantar Bhugtan Yojana (price deficiency payment, Madhya Pradesh)
  • integrated farming systems and agroforestry
  • Strait of Hormuz
  • Bab-el-Mandeb / Suez Canal / Red Sea crisis 2023-24
  • Strait of Malacca (and Sunda, Lombok alternatives)
  • Ten-Degree Channel, Nine-Degree Channel, Palk Strait
  • about 95 percent of India's trade by volume is seaborne
  • crude import dependence of roughly 85-88 percent
  • Operation Sankalp
  • Information Fusion Centre-Indian Ocean Region, Gurugram (2018)
  • String of Pearls - Gwadar, Hambantota, Djibouti
  • Chabahar / INSTC and IMEC (2023)
  • strategic petroleum reserves at Visakhapatnam, Mangaluru, Padur
  • SAGAR doctrine
  • Energy Conservation Act 2001 and 2022 amendment
  • Bureau of Energy Efficiency (2002)
  • Perform, Achieve and Trade (PAT) under NMEEE
  • Standards and Labelling / star rating
  • UJALA LED programme
  • Energy Conservation Building Code 2017 / Eco Niwas Samhita
  • PM-KUSUM solar pumps
  • aggregate technical and commercial (AT&C) losses
  • rebound (Jevons) effect
  • India's NDC - 50 percent non-fossil installed capacity and 45 percent emission-intensity cut by 2030, net zero by 2070
  • India Cooling Action Plan 2019
  • National Green Hydrogen Mission
Q4
50M analyse

(a) Analyse the spatial distribution of India's automobile industry. How have the clusters like Chennai, Pune and Gurugram emerged as key auto-hubs ? (20 marks) (b) Describe the role of energy pipelines in the industrial development and in reducing the regional imbalances in India. (15 marks) (c) Divide India into agro-ecological regions and highlight the salient features of any one of them. (15 marks)

हिंदी में पढ़ें

(a) भारत के ऑटोमोबाइल (मोटर-गाड़ी) उद्योग के स्थानिक वितरण का विश्लेषण कीजिए। चेन्नई, पुणे और गुरुग्राम जैसे क्लस्टर (समूह) किस प्रकार प्रमुख ऑटो-हब के रूप में उभरे हैं ? (20 अंक) (b) भारत में औद्योगिक विकास में तथा क्षेत्रीय असंतुलन को कम करने में ऊर्जा पाइपलाइनों की भूमिका का वर्णन कीजिए। (15 अंक) (c) भारत को कृषि-पारिस्थितिक प्रदेशों में विभाजित कीजिए और उनमें से किसी एक प्रदेश की मुख्य विशेषताओं को रेखांकित कीजिए। (15 अंक)

Answer approach & key points

(a) Two explicit tasks: analyse the spatial distribution of India's automobile industry (the regional pattern, not a company list), and then explain the specific factors behind the emergence of the Chennai, Pune and Gurugram clusters as auto-hubs. Both parts carry weight; the three named hubs must each be dealt with. (b) Describe pipelines in two distinct roles: as an input to industrial development, and as an instrument for reducing regional imbalance. Named pipelines with the industries they created are expected; a critical note on the limits of pipelines as a balancing tool raises the answer. (c) Two tasks: first divide India into agro-ecological regions using a recognised classification (with the criteria on which it rests), and then highlight the salient features of any ONE of those regions. The candidate chooses the region; the divisions must be from an authoritative scheme, not invented.

  • Chennai as the 'Detroit of India' - Sriperumbudur, Oragadam, Maraimalai Nagar, Ennore; SIPCOT
  • Hyundai Sriperumbudur (1998), Renault-Nissan and Daimler at Oragadam, Ashok Leyland Ennore
  • Maruti Suzuki Gurgaon (1983) and Manesar; Hero MotoCorp Dharuhera; Honda Manesar/Tapukara
  • Pimpri-Chinchwad, Chakan, Ranjangaon, Aurangabad (Tata Motors, Bajaj, Mercedes-Benz, Volkswagen, Mahindra)
  • Sanand and Hansalpur (Gujarat); Pithampur and NATRAX; Bidadi and Hosur
  • agglomeration economies and just-in-time component linkages (ACMA)
  • delicensing of 1991 and 100 percent FDI on the automatic route
  • PLI for automobiles and advanced chemistry cells; FAME-II / PM E-DRIVE
  • ARAI Pune, GARC Oragadam, NATRiP
  • closure of Hindustan Motors' Uttarpara plant (2014) and the eastern gap
  • Hazira-Vijaipur-Jagdishpur (HVJ) pipeline, 1987, GAIL - first cross-country gas pipeline
  • Jagdishpur-Haldia-Bokaro-Dhamra pipeline / Pradhan Mantri Urja Ganga
  • revival of Gorakhpur, Sindri and Barauni fertilizer plants
  • North-East Gas Grid / Indradhanush Gas Grid
  • Naharkatiya-Nunmati-Barauni crude pipeline (early 1960s)
  • Salaya-Mathura, Mundra-Panipat, Paradip-Haldia-Durgapur, Numaligarh-Siliguri
  • Jamnagar-Loni LPG pipeline
  • Kochi-Koottanad-Bengaluru-Mangaluru pipeline
  • PNGRB Act 2006 and common-carrier/unified tariff regime
  • target of 15 percent gas in the primary energy mix by 2030; national gas grid
  • India-Bangladesh Friendship Pipeline (2023)
  • TAPI and IPI as stalled transnational projects
  • ICAR-NBSS&LUP, Nagpur (1992) - 20 agro-ecological regions and 60 agro-ecological sub-regions
  • delineation criteria: physiography, bioclimate, soils, length of growing period (LGP)
  • distinction from the Planning Commission's 15 agro-climatic zones (1988) and NARP's 127 zones
  • moisture regimes: arid, semi-arid, sub-humid (dry/moist), humid, per-humid
  • at least one region described with rainfall range, LGP, soils, crops and problems
  • for the arid region: Indira Gandhi Nahar Pariyojana, khejri (Prosopis cineraria), bajra-moth-guar, wind erosion and secondary salinisation

B

Q5
50M Compulsory analyse

(a) Analyse the consequences of circular migration in India. How does it influence both rural development and the urban economy ? (10 marks) (b) Explain the government initiatives for the redevelopment of slum areas in the mega cities of India. (10 marks) (c) Discuss how Panchayati Raj institutions play a crucial role in the empowerment of women in India. (10 marks) (d) “India’s approach to the Indian Ocean is cooperative rather than coercive.” Critically examine the statement. (10 marks) (e) Disaster risk reduction and community resilience are the two pillars that need to be prioritized in the flood prone areas of India. Critically analyse. (10 marks)

हिंदी में पढ़ें

(a) भारत में चक्रीय प्रवास के परिणामों का विश्लेषण कीजिए । यह ग्रामीण विकास तथा नगरीय अर्थव्यवस्था दोनों को कैसे प्रभावित करता है ? (10 अंक) (b) भारत के बृहन्नगरों (महानगरों) में मलिन बस्ती क्षेत्रों के पुनर्विकास के लिए किए जा रहे सरकारी प्रयासों की व्याख्या कीजिए । (10 अंक) (c) भारत में पंचायती राज संस्थाएँ महिला सशक्तिकरण में किस प्रकार महत्त्वपूर्ण भूमिका निभाती हैं, विवेचना कीजिए । (10 अंक) (d) “भारत का हिन्द महासागर के प्रति दृष्टिकोण सहयोगात्मक है न कि दबावपूर्ण ।” इस कथन का समालोचनात्मक परीक्षण कीजिए । (10 अंक) (e) भारत के बाढ़ प्रभावित क्षेत्रों में आपदा जोखिम न्यूनीकरण तथा सामुदायिक प्रतिरोधक्षमता वे दो स्तंभ हैं, जिन्हें प्राथमिकता दिए जाने की आवश्यकता है । समालोचनात्मक विश्लेषण कीजिए । (10 अंक)

Answer approach & key points

(a) Analyse the consequences of circular migration and answer the explicit second question on its twin effect - on rural development at the origin AND on the urban economy at the destination. A compact note, not an essay, with named source-destination streams. (b) Explain - i.e. describe with reasons and named examples - the initiatives taken by government for redeveloping slums specifically in India's mega cities. Central schemes AND state/city-level models are expected; a short critical note on why redevelopment under-delivers lifts the answer. (c) Discuss how Panchayati Raj institutions empower women in India - the constitutional mechanism, the scale of participation, the demonstrated effects, and (for a 'discuss') the limits such as proxy rule and weak devolution. (d) Critically examine a claim - test whether India's Indian Ocean policy is genuinely cooperative rather than coercive. Evidence must be marshalled on both sides (doctrine and public goods versus 'Big Brother' perceptions and past interventions) and a reasoned verdict given. (e) Critically analyse a prescription - that disaster risk reduction and community resilience should be the two prioritised pillars in India's flood-prone areas. Both pillars must be examined separately with India-specific institutions and examples, and the answer must test whether the two alone are sufficient.

  • definition of circular / seasonal / short-duration migration; Jan Breman's 'footloose labour'
  • Census 2011 internal migrants (about 45 crore) versus NSS short-term migrant estimates - the undercount
  • named streams: Bihar/eastern UP/Odisha/Jharkhand to Delhi-NCR, Mumbai, Surat, Punjab-Haryana, Kerala
  • Beed-Marathwada sugarcane cutters; brick kilns and construction
  • remittances; feminisation of agriculture; left-behind children and elderly
  • contractor-mediated recruitment (mukadam / jamadar) and debt bondage
  • Inter-State Migrant Workmen Act 1979 and the OSH Code 2020
  • e-Shram, One Nation One Ration Card, Affordable Rental Housing Complexes
  • COVID-19 2020 return migration
  • Census 2011 slum population of about 6.55 crore
  • Slum Areas (Improvement and Clearance) Act, 1956
  • JNNURM (2005) - BSUP and IHSDP; Rajiv Awas Yojana (2011)
  • PMAY-Urban (2015) and its In-Situ Slum Redevelopment vertical; PMAY-U 2.0
  • Affordable Rental Housing Complexes (2020)
  • Maharashtra Slum Rehabilitation Authority (1995), TDR/FSI incentive, Dharavi Redevelopment Project
  • Kathputli Colony in-situ rehabilitation, Delhi (DUSIB)
  • Ahmedabad Slum Networking Programme / Parivartan
  • Odisha Jaga Mission and the Odisha Land Rights to Slum Dwellers Act, 2017
  • Swachh Bharat Mission-Urban, AMRUT, DAY-NULM convergence
  • 73rd Constitutional Amendment Act, 1992 (effective 24 April 1993)
  • Article 243D - one-third reservation of seats and chairperson posts for women; 50 percent in about 21 states
  • Article 243G and the Eleventh Schedule (29 subjects); Gram Sabha / Mahila Sabha
  • about 14.5 lakh elected women representatives, roughly 46 percent of PRI members
  • Chattopadhyay and Duflo study on women pradhans and public-good priorities
  • 'sarpanch pati' / proxy participation
  • Rajbala v. State of Haryana (2015) on eligibility conditions
  • devolution of funds, functions and functionaries (the three Fs)
  • SHG-panchayat convergence under DAY-NRLM; Kudumbashree
  • Rashtriya Gram Swaraj Abhiyan
  • SAGAR (Security and Growth for All in the Region), 2015
  • Indo-Pacific Oceans Initiative (2019)
  • IORA (1997) and IONS (2008); Colombo Security Conclave
  • Information Fusion Centre-Indian Ocean Region, Gurugram (2018)
  • Gulf of Aden anti-piracy deployment since 2008
  • HADR record - 2004 tsunami, Operation Rahat (2015), Operation Samudra Setu (2020), Vaccine Maitri
  • acceptance of the 2014 Permanent Court of Arbitration maritime award with Bangladesh
  • IPKF in Sri Lanka (1987-90) and Operation Cactus in the Maldives (1988)
  • 'India Out' campaign in the Maldives; Palk Bay fishermen / Katchatheevu
  • 'net security provider' and 'first responder'
  • about 40 million hectares flood-prone (Rashtriya Barh Ayog, 1980)
  • Disaster Management Act 2005; NDMA, SDMA, DDMA, NDRF
  • Sendai Framework for Disaster Risk Reduction 2015-2030; National Disaster Management Plan 2016
  • Fifteenth Finance Commission mitigation funds (NDMF/SDMF)
  • Central Water Commission flood forecasting; IMD impact-based forecasting
  • Aapda Mitra community volunteers; village disaster management plans
  • Odisha's community shelter model after the 1999 super cyclone
  • Kosi embankments and the levee effect in Bihar
  • model Flood Plain Zoning Bill, 1975 - largely unlegislated
  • urban flooding cases: Mumbai 2005, Chennai 2015, Bengaluru 2022, Delhi 2023
  • Coalition for Disaster Resilient Infrastructure (2019)
Q6
50M examine

(a) Examine the trends in fertility rates across Indian states over time. How are they projected to evolve by 2050 ? (20 marks) (b) Soil and water conservation are the major challenges in the development of hill areas of India. Explain. (15 marks) (c) With reference to the international boundary between India and Bangladesh, discuss the related issues and challenges. (15 marks)

हिंदी में पढ़ें

(a) समय के साथ भारतीय राज्यों में प्रजनन दर की प्रवृत्तियों का परीक्षण कीजिए । 2050 तक उनमें कैसे परिवर्तन की सम्भावना है ? (20 अंक) (b) भारत के पर्वतीय क्षेत्रों के विकास में मृदा तथा जल संरक्षण मुख्य चुनौतियाँ हैं । व्याख्या कीजिए । (15 अंक) (c) भारत और बांग्लादेश के मध्य अन्तर्राष्ट्रीय सीमा के संदर्भ में सम्बन्धित मुद्दों तथा चुनौतियों की विवेचना कीजिए । (15 अंक)

Answer approach & key points

(a) Two explicit tasks: examine the trend of fertility rates across Indian states over time (the national decline plus the inter-state differential, with figures), and then state how fertility is projected to evolve by 2050, with the sources and the uncertainty in those projections. Consequences should be indicated but the core is trend plus projection. (b) Explain - give reasons and evidence for - the proposition that soil and water conservation are the major challenges in developing India's hill areas. Both soil and water must be treated, with the physical and human causes, the measures attempted, and why the challenge persists. (c) Discuss, with reference to the India-Bangladesh international boundary, the issues and challenges connected with it - the legal-historical evolution, the physical difficulty of demarcating and managing it, the security and human problems, and the cooperative and connectivity dimension.

  • total fertility rate and replacement level of 2.1
  • NFHS-5 (2019-21) national TFR 2.0; NFHS-4 2.2; NFHS-3 2.7; NFHS-1 3.4
  • the five states above replacement at NFHS-5: Bihar 3.0, Meghalaya 2.9, Uttar Pradesh 2.4, Jharkhand 2.3, Manipur 2.2
  • Sikkim lowest at 1.1; Kerala and Tamil Nadu about 1.8
  • Sample Registration System
  • contraceptive prevalence and unmet need (NFHS-5)
  • Technical Group on Population Projections (2019) - about 152 crore by 2036
  • UN World Population Prospects - India most populous from 2023, peak around the early 2060s
  • IHME/Lancet 2024 projection of a much lower TFR by 2050
  • demographic transition theory (Notestein); Caldwell's wealth flows
  • ageing, demographic dividend window, delimitation freeze and Finance Commission devolution
  • seismic zones IV and V; young, tectonically active Himalaya; landslide-prone share of India's area
  • jhum cycle shortening in the North-East
  • Joshimath subsidence (2023); Kedarnath (2013); Chamoli (2021); Wayanad (2024)
  • NITI Aayog report on Himalayan springs (2018) - drying perennial springs
  • South Lhonak Lake glacial lake outburst flood, Sikkim (2023)
  • bench terracing, contour bunding, check dams, gully plugging, agroforestry
  • springshed management - Sikkim's Dhara Vikas
  • Watershed Development Component of PMKSY
  • traditional systems: kuhl/gul, naula/dhara, zabo, bamboo-drip irrigation, Apatani wet-rice
  • van panchayats of Uttarakhand; Sukhomajri; Chipko movement
  • National Mission for Sustaining the Himalayan Ecosystem
  • Gadgil (2011) and Kasturirangan (2013) reports on the Western Ghats
  • 4,096.7 km - India's longest land boundary; West Bengal, Tripura, Meghalaya, Mizoram, Assam
  • Radcliffe Line 1947; Bagge Award 1950; Nehru-Noon Agreement 1958; Land Boundary Agreement 1974
  • 100th Constitutional Amendment Act, 2015 and the enclave (chhitmahal) exchange
  • Tin Bigha corridor; Dahagram-Angarpota
  • riverine and char-land boundary; 150-yard rule under the 1975 joint guidelines
  • incomplete fencing; BSF-BGB friction
  • illegal migration, Assam Accord 1985 (25 March 1971 cut-off), NRC 2019, Section 6A
  • cattle, phensedyl/yaba and fake-currency smuggling; human trafficking; Felani Khatun case (2011)
  • border haats; Coordinated Border Management Plan (2011)
  • Petrapole-Benapole and Agartala-Akhaura land ports; Maitri Setu (2021); Akhaura-Agartala rail (2023)
  • Ganga Waters Treaty 1996; Teesta impasse; Kushiyara MoU 2022
  • 2014 Permanent Court of Arbitration maritime boundary award
Q7
50M critically evaluate

(a) Why is it difficult to improve the quality of air during the winter season in the Gangetic plain ? Critically evaluate with suitable examples. (20 marks) (b) Deforestation in the upper reaches of a river augments the magnitude of soil erosion. Elaborate your answer citing the example of any North Indian river. (15 marks) (c) Assess the role of geographical isolation in preserving tribal culture, as well as hindering their socio-economic development in India. (15 marks)

हिंदी में पढ़ें

(a) गंगा मैदान में शीत ऋतु में वायु की गुणवत्ता में सुधार करना कठिन क्यों है ? उपयुक्त उदाहरणों के साथ आलोचनात्मक मूल्यांकन कीजिए । (20 अंक) (b) नदी के ऊपरी प्रवाह क्षेत्र में विनिर्वनीकरण मृदा अपरदन के परिमाण में वृद्धि करता है । किसी उत्तर भारतीय नदी के उदाहरण द्वारा अपने उत्तर को विस्तार से स्पष्ट कीजिए । (15 अंक) (c) भारत में जनजातीय संस्कृति के संरक्षण, साथ ही उनके सामाजिक-आर्थिक विकास में बाधा उत्पन्न करने में भौगोलिक अलगाव की भूमिका का आकलन कीजिए । (15 अंक)

Answer approach & key points

(a) Explain why winter air-quality improvement is so hard specifically in the Gangetic plain - i.e. the meteorological trap, the winter chemistry, the diverse source mix and the governance mismatch - and then critically evaluate, with named examples, why the measures actually tried have not worked. (b) Elaborate the causal chain from upper-catchment deforestation to increased soil erosion, and then anchor it in a named North Indian river. The example is compulsory - a general answer without one named river and its documented sediment or channel behaviour is incomplete. (c) Assess the dual role of geographical isolation for India's tribal communities - how it has preserved their culture AND how it has hindered their socio-economic development. Both halves must be argued with named tribes, regions, data and institutions, and an assessment (a judgement) offered at the end.

  • temperature inversion and collapsed mixing height / ventilation coefficient
  • Indo-Gangetic Plain as a topographic bowl bounded by the Himalaya
  • secondary inorganic aerosol (sulphate, nitrate, ammonium) and the fog-haze radiative feedback
  • paddy stubble burning; Punjab Preservation of Subsoil Water Act, 2009 and the delayed transplanting window
  • residential biomass burning for cooking and heating
  • Commission for Air Quality Management (statutory, 2021)
  • Graded Response Action Plan (2017, revised 2022)
  • National Clean Air Programme (2019) and the 131 non-attainment cities
  • smog towers, odd-even, anti-smog guns as low-efficacy measures
  • Happy Seeder / Super Seeder; Pusa bio-decomposer
  • ICMR-Lancet estimate of about 1.67 million air-pollution-attributable deaths in India in 2019
  • airshed-level rather than city-level management
  • interception, litter cover, root cohesion, infiltration capacity
  • splash - sheet - rill - gully erosion sequence; delayed shallow landsliding after root decay
  • runoff coefficient, time of concentration, peak discharge
  • aggradation, braiding, avulsion, reservoir siltation
  • Kosi - catchment of about 74,500 sq km; among the world's highest sediment loads
  • westward migration of the Kosi of about 115 km in roughly two centuries
  • Kosi barrage at Bhimnagar (1963) and embankments; the Kusaha breach of August 2008
  • Alaknanda flood of 1970 and the Chipko movement (Mandal 1973, Reni 1974)
  • catchment area treatment plans; van panchayats; check dams and contour trenching
  • Ives and Messerli's critique of the Himalayan degradation narrative (debated)
  • 10.43 crore Scheduled Tribes, 8.6 percent of population; 705 tribes; 75 PVTGs (Census 2011)
  • Sixth Schedule; Articles 244, 371A and 371G
  • sacred groves - sarna, law kyntang, devrai; dorbar shnong, nokma
  • Santali in Ol Chiki and Bodo in the Eighth Schedule (92nd Amendment, 2003)
  • ST literacy of about 59 percent against roughly 73 percent nationally (Census 2011)
  • PESA, 1996 and the Forest Rights Act, 2006 (individual and community forest rights)
  • Xaxa Committee (2014)
  • Verrier Elwin, G. S. Ghurye, Nehru's Tribal Panchsheel (1958)
  • displacement and land alienation; Samatha judgment (1997); Niyamgiri (2013)
  • Eklavya Model Residential Schools; Van Dhan Vikas Kendras; PM-JANMAN (2023)
  • Sentinelese, Shompen, Jarawa as isolation extremes; National Sickle Cell Anaemia Elimination Mission (2023)
Q8
50M critically examine

(a) Critically examine the strategic, economic and ecological impacts of the proposed ‘Great Nicobar Project’. (20 marks) (b) Poor road infrastructure and inadequate public transport system remain the key issues in Indian metropolitan areas. Discuss with suitable examples. (15 marks) (c) Critically examine the environmental and economic consequences of India’s rise as a global data centre hub. (15 marks)

हिंदी में पढ़ें

(a) प्रस्तावित ‘ग्रेट निकोबार प्रोजेक्ट’ के सामरिक, आर्थिक और पारिस्थितिक प्रभावों का समालोचनात्मक परीक्षण कीजिए । (20 अंक) (b) खराब सड़क अवसंरचना तथा अपर्याप्त सार्वजनिक परिवहन तंत्र भारतीय महानगरीय क्षेत्रों में प्रमुख समस्या बने हुए हैं । उपयुक्त उदाहरणों सहित विवेचना कीजिए । (15 अंक) (c) भारत के ग्लोबल डाटा सेंटर हब के रूप में उभरने के पर्यावरणीय तथा आर्थिक परिणामों का समालोचनात्मक परीक्षण कीजिए । (15 अंक)

Answer approach & key points

(a) Critically examine the proposed Great Nicobar Project under three explicitly named heads - strategic, economic and ecological impacts - weighing benefits against costs under each, and arriving at a reasoned verdict. The project must first be described accurately; the social/tribal and hazard dimensions belong under the ecological-environmental head. (b) Discuss two linked deficits in Indian metropolitan areas - road infrastructure and public transport - with suitable named examples, their consequences, and the policy response and its gaps. Generic urban-problem writing without named cities and schemes will not do. (c) Critically examine both the environmental AND the economic consequences of India's emergence as a global data-centre hub - stating the phenomenon and its geography, weighing gains against costs under each head, and arriving at a qualified verdict rather than a celebration.

  • International Container Transhipment Terminal at Galathea Bay; greenfield airport; township; power plant
  • NITI Aayog conception; ANIIDCO implementation; cost of the order of Rs 72,000 crore
  • Six Degree Channel; proximity to the Strait of Malacca; Indira Point as India's southernmost point
  • Andaman and Nicobar Command (tri-service, 2001)
  • transhipment currently routed through Colombo, Singapore and Port Klang; Vizhinjam as competition
  • Great Nicobar Biosphere Reserve (1989; UNESCO MAB since 2013); Campbell Bay and Galathea national parks
  • giant leatherback turtle nesting at Galathea Bay; Nicobar megapode; Nicobar long-tailed macaque
  • denotification of the Galathea Bay Wildlife Sanctuary (2021); diversion of about 130 sq km of forest
  • Shompen (a PVTG) and Nicobarese; tribal reserve denotification and contested consent
  • seismic zone V; the 2004 Indian Ocean earthquake and tsunami; subsidence at Indira Point
  • National Green Tribunal high-powered committee review (2023); compensatory afforestation in mainland states
  • Census 2011 urban population 37.7 crore (31.2 percent); 53 million-plus agglomerations
  • low share of urban land under roads in Indian metros
  • bus fleet shortfall against the benchmark of about 40-60 buses per lakh population
  • metro network exceeding 1,000 route km across more than twenty cities; ridership shortfalls in Kochi, Jaipur, Lucknow
  • Ahmedabad Janmarg BRTS (2009) versus the dismantled Delhi BRT (2016)
  • Mumbai suburban rail crush loads and track fatalities
  • National Urban Transport Policy, 2006 - 'move people, not vehicles'
  • Metro Rail Policy, 2017 - alternatives analysis, comprehensive mobility plan, UMTA, transit-oriented development
  • PM e-Bus Sewa (2023); FAME / PM E-DRIVE; National Common Mobility Card (2019)
  • Namo Bharat RRTS (Delhi-Meerut, 2023); Mumbai Trans Harbour Link (2024)
  • road crash fatalities exceeding 1.7 lakh a year; congestion cost estimates
  • concentration of capacity in Mumbai (about half), then Chennai, Hyderabad, Bengaluru, Pune, Delhi-NCR
  • submarine cable landing stations as the reason for coastal-metro concentration
  • RBI payment-data localisation directive (2018); Digital Personal Data Protection Act, 2023
  • infrastructure status for data centres (Harmonised Master List, 2022); state data-centre policies
  • capital-intensive but employment-light - few direct jobs per unit of investment
  • coal-dominated grid and the carbon footprint of continuous IT load
  • power usage effectiveness (PUE) and cooling energy share
  • water for evaporative cooling; Chennai 2019 and Bengaluru 2024 water crises
  • e-waste and the E-Waste (Management) Rules, 2022; diesel-generator backup emissions
  • round-the-clock renewable PPAs and open access; Energy Conservation (Amendment) Act, 2022 carbon credit trading scheme
  • liquid/immersion cooling and siting in cooler, water-abundant locations

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