UPSC Mains 2026 GS3 Q11: model answer
Explain the key challenges for India's energy security. What measures do you suggest for ensuring energy security along with economic growth and sustainability?
What the question wants
Challenges on supply, price, technology and climate; measures that keep growth and sustainability together (not a renewable-only list).
How to structure it
Intro: define energy security (available, affordable, clean). Body: challenges with data; measures grouped as diversify, decarbonise, store, efficiency, institutions. Conclusion: trilemma balanced.
- 1Challenges with data
- 2Measures grouped as diversify, decarbonise, store, efficiency, institutions
Model answer
Energy security means reliable, affordable and increasingly clean energy for a growing economy. India is the world's third-largest energy consumer, and demand will keep rising for decades.
| Challenge | Response |
|---|---|
| 85%+ crude imported | Diversified suppliers; SPR expansion |
| Coal-heavy power | 500 GW non-fossil by 2030; nuclear |
| Intermittent renewables | Battery storage, pumped hydro, green corridors |
| Critical minerals | National Critical Mineral Mission (2025) |
| Weak discoms | RDSS, smart meters |
Key challenges
- Import dependence: over 85% of crude oil and about half of natural gas are imported, so prices in West Asia and shipping routes like the Strait of Hormuz affect inflation and the current account.
- Coal reliance: coal still produces most of India's electricity, which conflicts with climate goals and air quality.
- Intermittent renewables: solar and wind need storage and a flexible grid; distribution companies are financially weak.
- Critical minerals: lithium, cobalt and rare earths for batteries come from a few countries, mainly China.
- Energy poverty: clean cooking fuel is not yet affordable for all LPG connection holders.
Measures
- Diversify supply: more suppliers (US, Russia, Guyana), long-term LNG contracts, and expansion of the Strategic Petroleum Reserves beyond Vizag, Mangaluru and Padur.
- Decarbonise: 500 GW of non-fossil capacity by 2030; non-fossil sources already passed half of installed capacity in 2025. Add nuclear (PFBR, small modular reactors) and the Green Hydrogen Mission (5 MMT by 2030).
- Store and balance: battery storage with viability gap funding, pumped hydro, and the green energy corridors for transmission.
- Secure minerals: the National Critical Mineral Mission (2025), KABIL's overseas assets and recycling.
- Efficiency: PAT scheme, LED (UJALA), efficient motors, and the carbon credit trading scheme.
- Fuel switch: E20 ethanol blending, compressed biogas under SATAT, electric buses under PM e-Drive.
- Discom reform through RDSS and smart meters.
Growth and sustainability are compatible if India stops treating energy as one fuel's story. A mixed, domestic-heavy, efficient system is the most secure one.
Keywords, cases and data to drop in
import dependence >85% crude Strait of Hormuz Strategic Petroleum Reserves 500 GW non-fossil by 2030 National Green Hydrogen Mission battery storage VGF National Critical Mineral Mission PAT scheme E20 SATAT RDSS net zero 2070
Where most answers lose marks
- Writing only about renewables and ignoring oil, gas and coal realities.
- No numbers at all; one or two data points lift the answer.
- Measures that do not address growth (affordability) as the question asks.
Same theme in Prelims
In what way(s) does the Vizhinjam International Seaport represent a structural shift in India's maritime trade and logistics policy ?
- 1. By functioning exclusively as a domestic cargo hub to reduce reliance on coastal shipping and eliminate the need for foreign collaborations.
- 2. By focusing primarily on passenger cruise tourism and heritage shipping to increase Kerala's profile as a maritime heritage destination.
- 3. By leveraging its natural deep draft and strategic location to reduce dependence on foreign trans-shipment ports, enhance revenue retention, and reposition India in regional maritime trade.
Select the answer using the code given below :
Answer (d) & explanation
Only statement 3 explains the shift (d). Statement 3 is right: Vizhinjam, in Kerala, is India's first deep-water container trans-shipment port, built on a PPP model and opened in 2025. It sits close to the main East-West shipping lane with a natural depth of about 18–20 m, so giant mother ships can call here instead of at Colombo, Singapore or Dubai. That keeps freight earnings at home. Statement 1 is wrong: it is an international cargo port. Statement 2 is wrong: it is not a cruise port.
Notice the problem it solves: earlier, about three-quarters of India's trans-shipped cargo was handled at foreign ports. The Adani group runs it. Galathea Bay in Great Nicobar is planned as another trans-shipment hub.
words like "exclusively" and "primarily" in statements 1 and 2. A trans-shipment port lives on foreign ships, so "eliminate foreign collaborations" cannot be right.
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Answer as per the official UPSC answer key.
An e-commerce revenue model where the seller has control over pricing but doesn't keep products in stock and instead transfers customer orders and shipment details to a third-party supplier, who then ships the goods directly to the customer, is called :
Answer (a) & explanation
This is the dropshipping model (a). In dropshipping, the online store sets the price and takes the order but keeps no stock. It passes the order to a third-party supplier, who ships straight to the buyer. Option (b) is wrong: in the affiliate model a site earns a commission only for sending buyers to another seller. Option (c) is wrong: a transaction-fee model charges a cut on each sale made on a platform. Option (d) is wrong: an agency seller acts on behalf of the owner, who controls the price.
Notice the trade-off: dropshipping needs little capital, but the seller earns thinner margins and depends on the supplier's quality and speed. India allows 100% FDI only in the marketplace model of e-commerce, not the inventory model.
the affiliate model also holds no stock. The clue is "the seller has control over pricing": an affiliate does not set the price.
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Answer as per the official UPSC answer key.
Which one of the following best describes the key objective of India's 'Open Network for Digital Commerce' (ONDC) initiative ?
Answer (c) & explanation
ONDC aims to break the dominance of large platforms (c). The Open Network for Digital Commerce, a DPIIT initiative (2021-22), is an open set of rules, like UPI for shopping. A buyer on one app can buy from a seller listed on another app. This interoperability lets small sellers reach buyers without joining a giant platform. Option (a) is wrong: it does not give the government control of transactions. Option (b) is wrong: private players can join; they are not replaced. Option (d) is wrong: it does not force UPI payments.
Notice ONDC's design: it is a not-for-profit company and part of India's Digital Public Infrastructure, along with Aadhaar, UPI and DigiLocker. It now covers food, groceries and mobility too.
options (a), (b) and (d) use strong words: "all", "replace", "mandate". A public digital platform usually opens a market; it does not take it over.
Answer as per the official UPSC answer key.
Fresh examples from current affairs
UDAN turns 10: 687 routes, 1.72 crore flyers and a Rs 28,840 crore next phase
The Regional Connectivity Scheme UDAN (Ude Desh ka Aam Nagrik) completes ten years on 21 October 2026. A PIB backgrounder says it has operationalised 687 routes and 95 aerodromes and carried 1.72 crore passengers. Its next phase, launched on 4 July 2026, runs from 2026-27 to 2035-36 with Rs 28,840 crore for 100 airports, 200 helipads and airline support.
UPSC angle: Prelims: UDAN dates, outlays, airport numbers. · Mains GS-III: regional connectivity and VGF design.
21 Oct 2026
Core sector grows 7.9% in September 2026; iron ore, electricity and coal lead
The Index of Core Industries (ICI), base year 2022-23, grew 7.9% year-on-year in September 2026, up from a revised 5.9% in August, the Commerce Ministry said on 21 October 2026. Iron ore (18.4%), electricity (11.4%) and coal (10.7%) led, while fertilizers, natural gas and crude oil shrank. Growth for April–September 2026 was 5.1%, double the 2.5% of a year earlier.
UPSC angle: Prelims: ICI vs IIP, compiling agencies, base year. · Mains GS-III: industrial growth and energy security.
21 Oct 2026
Agrivoltaics: Centre plans a scheme to push solar panels above farms; 5 GW seen in 3–4 years
MNRE Secretary Santosh Kumar Sarangi said on 19 October 2026 that the Centre is planning a central sector scheme to help States adopt agrivoltaics, either standalone or within PM-KUSUM 2.0. He expects capacity to cross 5 GW in three to four years if States notify feed-in tariffs. India hosts the 7th Agrivoltaics World Conference in New Delhi from 21 to 23 October.
UPSC angle: Prelims: agrivoltaics, PM-KUSUM components, feed-in tariffs. · Mains GS-III: energy transition and food security.
20 Oct 2026
Pumped storage hydropower: India’s roadmap for 100 GW of ‘water batteries’ by 2035-36
A PIB backgrounder of 19 October 2026 explains how pumped storage projects (PSPs) will store solar and wind power for India’s grid. India runs 7.43 GW of pumped storage today, is building 15.87 GW more and has an assessed potential of 345.38 GW. A roadmap aims to add about 100 GW between 2025-26 and 2035-36.
UPSC angle: Prelims: PSP types, CEA, ISTS waiver, IRENA ranking. · Mains GS-III: storage and the clean energy transition.
19 Oct 2026Learn the concept
Question text as printed in the official UPSC question paper: https://www.upsc.gov.in/sites/default/files/QP-CSM-26-010926-GENERAL-STUDIES-PAPER-III.pdf The model answer is original Battle IAS work; use it to learn structure, not to memorise.