Question map
Not attempted Correct Incorrect Bookmarked
Loading…
Q79 (IAS/2016) Science & Technology › New Materials, Energy & Environment-linked Tech › Nuclear energy technologies Official Key

India is an important member of the International Thermonuclear Experimental Reactor'. If this experiment succeeds, what is the immediate advantage for India?

Result
Your answer:  ·  Correct: D
Explanation

The correct answer is option D. The International Thermonuclear Experimental Reactor (ITER) is a major international effort that aims to demonstrate magnetic containment of sustained, self-heated plasma under fusion temperatures.[1] While the scientific feasibility of fusion energy has been proven, technical feasibility remains to be demonstrated in experimental facilities.[2] If ITER succeeds in demonstrating this technical feasibility, the immediate advantage for India would be the ability to build fusion reactors for power generation. Commercialization of fusion-power production is thought to become viable by about 2050, assuming initial demonstration is successful.[3]

Options A, B, and C are incorrect because they are unrelated to ITER's objectives. ITER is focused on fusion energy, not thorium-based fission reactors (option A), satellite navigation (option B), or improving existing fission reactor efficiency (option C). The successful demonstration of fusion technology through ITER would directly enable participating countries like India to develop their own fusion power capabilities.

Sources
  1. [1] https://www.ipcc.ch/site/assets/uploads/2018/02/ar4-wg3-chapter4-1.pdf
  2. [2] https://www.ipcc.ch/site/assets/uploads/2018/02/ar4-wg3-chapter4-1.pdf
  3. [3] https://www.ipcc.ch/site/assets/uploads/2018/02/ar4-wg3-chapter4-1.pdf
How others answered
Each bar shows the % of students who chose that option. Green bar = correct answer, blue outline = your choice.
Community Performance
Out of everyone who attempted this question.
67%
got it right
PROVENANCE & STUDY PATTERN
Full view
Don’t just practise – reverse-engineer the question. This panel shows where this PYQ came from (books / web), how the examiner broke it into hidden statements, and which nearby micro-concepts you were supposed to learn from it. Treat it like an autopsy of the question: what might have triggered it, which exact lines in the book matter, and what linked ideas you should carry forward to future questions.
Q. India is an important member of the International Thermonuclear Experimental Reactor'. If this experiment succeeds, what is the immediate…
At a glance
Origin: Mostly Current Affairs Fairness: Low / Borderline fairness Books / CA: 0/10 · 10/10
Statement 1
If the International Thermonuclear Experimental Reactor (ITER) experiment succeeds, will it immediately allow India to use thorium in place of uranium for power generation?
Origin: Web / Current Affairs Fairness: CA heavy Web-answerable

Web source
Presence: 4/5
"Commercialization of fusion-power production is thought to become viable by about 2050, assuming initial demonstration is successful."
Why this source?
  • States ITER's purpose is to demonstrate fusion plasma containment and that technical feasibility remains to be demonstrated.
  • Says commercialization of fusion power is expected only around 2050 even if initial demonstration succeeds, implying no immediate fuel-cycle change for fission reactors (thorium replacement).
Web source
Presence: 4/5
"with the aim of proving that fusion could produce useful energy."
Why this source?
  • Describes ITER as aimed at proving that fusion could produce useful energy, i.e., ITER is a fusion demonstration device.
  • Focus on demonstrating and testing fusion power-plant conditions, not on developing or enabling a thorium-based fission fuel cycle.

Environment and Ecology, Majid Hussain (Access publishing 3rd ed.) > Chapter 9: Distribution of World Natural Resources > thorium > p. 40
Strength: 5/5
“Torium is a by-product of the extraction of rare earths from monazite sands. Torium was used for the breeding of nuclear fuel uranium. It is used as a nuclear fuel in aircraft engines. Torium is a very efective radiation shield. India's Kakrapara-1 reactor is the world's frst reactor which uses thorium. Australia, USA, and India have large deposits of thorium, followed by Canada, Brazil, South Africa and Turkey.”
Why relevant

States that thorium was used for breeding nuclear fuel (uranium) and is associated with specific reactor use, implying thorium typically requires fuel-cycle steps (breeding/processing) to be a reactor fuel.

How to extend

A student could combine this with the basic fact that ITER is a fusion experiment and ask whether success in fusion directly removes the need for thorium fuel-cycle infrastructure (it does not), to judge immediacy.

Environment and Ecology, Majid Hussain (Access publishing 3rd ed.) > Chapter 6: Environmental Degradation and Management > iii) nuclear Energy > p. 52
Strength: 4/5
“(iii) nuclear Energy Looking at the increasing demand of energy and the exhaustible nature of fossil fuels, nuclear energy development has become of great signifcance in most of the big and small countries of the world. It is also a source of green energy. Nuclear energy is produced from uranium and thorium. Although, India is largely dependent on other countries for the supply of uranium, it has 27 nuclear power plants generating about 4 per cent of the energy supply of the country.”
Why relevant

Says India is largely dependent on other countries for the supply of uranium, highlighting that fuel supply and international relationships affect reactor fuel use.

How to extend

A student could infer that switching fuels depends on supply chains and agreements, so ITER success alone would not instantly change import/deployment realities.

INDIA PEOPLE AND ECONOMY, TEXTBOOK IN GEOGRAPHY FOR CLASS XII (NCERT 2025 ed.) > Chapter 5: Mineral and Energy Resources > Nuclear Energy Resources > p. 61
Strength: 4/5
“Nuclear energy has emerged as a viable source in recent times. Important minerals used for the generation of nuclear energy are uranium and thorium. Uranium deposits occur in the Dharwar rocks. Geographically, uranium ores are known to occur in several locations along the Singbhum Copper belt. It is also found in Udaipur, Alwar and Jhunjhunu districts of Rajasthan, Durg district of Chhattisgarh, Bhandara district of Maharashtra and Kullu district of Himachal Pradesh. Thorium is mainly obtained from monazite and ilmenite in the beach sands along the coast of Kerala and Tamil Nadu. World's richest monazite deposits occur in Palakkad and Kollam districts of Kerala, near Vishakhapatnam in Andhra Pradesh and Mahanadi river delta in Odisha.”
Why relevant

Describes geographic occurrence of thorium (monazite/ilmenite in beach sands) showing domestic resource availability but also that thorium is found in specific minerals needing extraction.

How to extend

A student could combine this with the basic idea that resource presence still requires mining and processing capacity before thorium can replace uranium commercially.

NCERT. (2022). Contemporary India II: Textbook in Geography for Class X (Revised ed.). NCERT. > Chapter 5: Print Culture and the Modern World > Nuclear or Atomic Energy > p. 117
Strength: 3/5
“It is obtained by altering the structure of atoms. When such an alteration is made, much energy is released in the form of heat and this is used to generate electric power. Uranium and Thorium, which are available in Jharkhand and the Aravalli ranges of Rajasthan are used for generating atomic or nuclear power. The Monazite sands of Kerala is also rich in Thorium. Locate the 6 nuclear power stations and find out the state in which they are located.”
Why relevant

Notes uranium and thorium are both used for generating nuclear power, indicating thorium is an alternative fuel but not necessarily a drop-in replacement.

How to extend

A student might use the basic fact that different fuels often need different reactor types or fuel-cycle steps to question whether ITER success (in fusion) would immediately permit swapping fuels in existing fission reactors.

Contemporary World Politics, Textbook in political science for Class XII (NCERT 2025 ed.) > Chapter 4: International Organisations > IAEA > p. 58
Strength: 3/5
“The International Atomic Energy Agency (IAEA) was established in 1957. It came into being to implement US President Dwight Eisenhower's "Atoms for Peace" proposal. It seeks to promote the peaceful use of nuclear energy and to prevent its use for military purposes. IAEA teams regularly inspect nuclear facilities all over the world to ensure that civilian reactors are not being used for military purposes. peacekeeping efforts is a long and substantial one. The country's economic emergence on the world stage is another factor that perhaps justifies India's claim to a permanent seat in the Security Council. India has also made regular financial contributions to the UN and never faltered on its payments.”
Why relevant

Explains IAEA's role in promoting peaceful use and inspecting civilian reactors, pointing to regulatory and international oversight factors in nuclear fuel use.

How to extend

A student could reason that even technological breakthroughs interact with regulatory/inspection regimes, so policy and safeguards could delay any immediate fuel transition.

Statement 2
If the International Thermonuclear Experimental Reactor (ITER) experiment succeeds, will it immediately enable India to attain a global role in satellite navigation?
Origin: Web / Current Affairs Fairness: CA heavy Web-answerable

Web source
Presence: 4/5
"A major international effort, the proposed international thermonuclear experimental reactor (ITER, 2006), aims to demonstrate magnetic containment of sustained, self-heated plasma under fusion temperatures. ... Commercialization of fusion-power production is thought to become viable by about 2050"
Why this source?
  • Describes ITER as a fusion-energy experimental reactor whose goal is demonstrating plasma containment and enabling fusion power—an energy technology, not a navigation system.
  • States commercialization of fusion power is projected around 2050, indicating ITER success is long-term and unrelated to immediate capabilities in satellite navigation.
Web source
Presence: 4/5
"These include the International Thermonuclear Experimental Reactor project, the Large Hadron Collider (being set up by CERN), the Generation IV International Forum..., and the Satellite Navigation programme, Galileo."
Why this source?
  • Lists ITER and the Satellite Navigation programme (Galileo) as separate international projects, implying they are distinct domains.
  • No text links ITER success to capabilities in satellite navigation; participation in one does not imply immediate gain in the other.

Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 12: Transport, Communications and Trade > Major Events > p. 56
Strength: 4/5
“1962: Indian National Committee for Space Research (INCOSPAR), formed by the Department of Atomic Energy, and work on establishing Thumba Equatorial Rocket Launching Station (TERLS) near Trivendrum began. 1963: First sounding rocket launched from TERLS on November 21, 1963. 1965: Space Science & Technology Centre (SSTC) established in Thumba. 1967: Satellite Telecommunication Earth Station set up at Ahmedabad. 1972: Space Commission and Department of Space set up. 1975: First Indian Satellite, Aryabhatt launched (April 19, 1975). 1976: Satellite Industrial Television Experiment (SITE) conducted. 1979: Bhaskara-1, an experimental satellite, launched. First experimental launch of SLV-3 with Rohini satellite on board failed.”
Why relevant

States that INCOSPAR (India's early space body) was formed by the Department of Atomic Energy, showing institutional links between atomic-energy organisations and space programmes.

How to extend

A student could infer that advances in one national science/energy agency might support space activities, but would check whether ITER-derived capabilities map onto satellite navigation systems.

Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 14: Service Sector > SPACE SECTOR > p. 433
Strength: 5/5
“• According to ISRO, India has spent about US$1.8 billion on space programmes in 2019-20 while USA is the major player and has spent around US$19.5 billion in 2019-20. China spends around US$11 billion in 2019-20.• The three key focus areas of Indian space programme are: • Satellite communication. 1. Earth observation. 3. Satellite-aided navigation which includes GAGAN and NavIC*”
Why relevant

Lists India's three key space focus areas including 'satellite-aided navigation' (GAGAN and NavIC), indicating India already has targeted programmes for navigation.

How to extend

One could compare existing dedicated navigation infrastructure and programmes with any hypothetical benefits from ITER to judge whether ITER would be an immediate enabler.

FUNDAMENTALS OF HUMAN GEOGRAPHY, CLASS XII (NCERT 2025 ed.) > Chapter 7: Transport and Communication > Satellite Communication > p. 68
Strength: 4/5
“This means it costs the same to communicate over 500 km as it does over 5,000 km via satellite. India has also made great strides in satellite development. Aryabhatt was launched on 19 April 1975, Bhaskar-I in 1979 and Rohini in 1980. On 19 June 1981, APPLE (Arian Passenger Payload Experiment) was launched through Arian rocket. Bhaskar, Challenger and INSAT I-B have made longdistance communication, television and radio very effective. Today weather forecasting through television is a boon.”
Why relevant

Summarises India's stepwise progress in satellite development and launches (Aryabhatt, Bhaskara, INSAT), illustrating that satellite capability is built over decades.

How to extend

Use this pattern to argue that a single scientific breakthrough (like ITER success) is unlikely to instantly create operational global navigation leadership without sustained space-system development.

Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 12: Transport, Communications and Trade > Phase II: 1970–80 > p. 55
Strength: 4/5
“Sarabhai had taken part in an early study with NASA regarding the feasibility of using satellites for applications as wide as direct television broadcasting. India started designing and creating an independent launch vehicle. Meanwhile, India also began development of satellite technology, anticipating the remote sensing and communication needs of the future. India's first foray into space began with the launch of its satellite Aryabhata in 1975 by a Soviet booster. By 1979, the SLV was ready to be launched from a newly-established second launch site, the Sriharikota Rocket Launching Station (SRLS). The first launch in 1979 was a failure, attributed to control failure in the second stage.”
Why relevant

Describes India's development of launch vehicles and launch sites over time, showing that launch and orbital capability require long-term infrastructure and testing.

How to extend

A student could extend this to check whether ITER success would remove the need for launch/space infrastructure required for a global navigation system (likely not).

Contemporary World Politics, Textbook in political science for Class XII (NCERT 2025 ed.) > Chapter 4: International Organisations > IAEA > p. 58
Strength: 3/5
“The International Atomic Energy Agency (IAEA) was established in 1957. It came into being to implement US President Dwight Eisenhower's "Atoms for Peace" proposal. It seeks to promote the peaceful use of nuclear energy and to prevent its use for military purposes. IAEA teams regularly inspect nuclear facilities all over the world to ensure that civilian reactors are not being used for military purposes. peacekeeping efforts is a long and substantial one. The country's economic emergence on the world stage is another factor that perhaps justifies India's claim to a permanent seat in the Security Council. India has also made regular financial contributions to the UN and never faltered on its payments.”
Why relevant

Explains the role of the IAEA in regulating peaceful nuclear energy and inspections, indicating that nuclear/energy advancements interact with international regimes and oversight.

How to extend

One might investigate whether ITER-related technologies would be subject to international controls or cooperation that affect how quickly a country could leverage them for space/navigation.

Statement 3
If the International Thermonuclear Experimental Reactor (ITER) experiment succeeds, will it immediately enable India to drastically improve the efficiency of its nuclear fission reactors for power generation?
Origin: Web / Current Affairs Fairness: CA heavy Web-answerable

Web source
Presence: 5/5
"The scientific feasibility of fusion energy has been proven, but technical feasibility remains to be demonstrated in experimental facilities. A major international effort, the proposed international thermonuclear experimental reactor (ITER, 2006), aims to demonstrate magnetic containment... Commercialization of fusion-power production is thought to become viable by about 2050"
Why this source?
  • States ITER is an experiment to demonstrate fusion (magnetic containment of sustained, self-heated plasma) — a different technology from fission.
  • Notes technical feasibility remains to be demonstrated and commercialization of fusion power is not expected until around 2050, so ITER success would not produce immediate effects on fission reactor efficiency.
Web source
Presence: 4/5
"TCP provides a platform for scientists and engineers to exchange information and further enhance the collaboration, coordinating international efforts to bridge the scientific and technical gaps between the International Thermonuclear Experimental Reactor (ITER) and DEMO"
Why this source?
  • Describes ITER as part of a long R&D chain (ITER → DEMO) and a platform to bridge scientific and technical gaps, indicating gradual development rather than immediate application.
  • Highlights materials and engineering work needed between ITER and a commercial fusion power plant, implying ITER's success won't directly or immediately change fission reactor performance.
Web source
Presence: 2/5
"C) It can drastically improve the efficiency of its fission reactors in power generation."
Why this source?
  • Contains the claim (as a practice-question item) that ITER 'can drastically improve the efficiency of its fission reactors', which represents the assertion in the statement.
  • This passage presents the claim but does not provide technical justification; other passages in the set contradict its implication of an immediate effect.

Environment and Ecology, Majid Hussain (Access publishing 3rd ed.) > Chapter 6: Environmental Degradation and Management > iii) nuclear Energy > p. 52
Strength: 5/5
“(iii) nuclear Energy Looking at the increasing demand of energy and the exhaustible nature of fossil fuels, nuclear energy development has become of great signifcance in most of the big and small countries of the world. It is also a source of green energy. Nuclear energy is produced from uranium and thorium. Although, India is largely dependent on other countries for the supply of uranium, it has 27 nuclear power plants generating about 4 per cent of the energy supply of the country.”
Why relevant

States that India's nuclear energy is produced from uranium and thorium and that India depends on other countries for uranium supply.

How to extend

A student could use this to note that ITER (a fusion project) deals with different physics/fuel, so success would not immediately change India’s uranium/thorium-based fission fuel supply or reactors' efficiency.

Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 8: Energy Resources > Source: Department of Atomic Energy, Government of India, March 2018 > p. 27
Strength: 4/5
“Thus, at present, nuclear energy is produced from eleven units located at six centres (Table 8.12). The new sites of nuclear power plants include Bargi or Chutka (M.P.), Haripur (W. Bengal), Jaitapur (Maharashtra), Kawada (Andhra Pradesh), Kudankulam (Tamil Nadu), Kumharia (Haryana), and Mithi-Verdi (Gujarat). The govt. of India on 17th May, 2017, cleared the building of ten new nuclear power plants to add 7,000 MW to India's power generation capacity. These nuclear power plants will be indigenous with a capacity 700 MW each. The nuclear reactors will make it easier to develop the domestic industry. Development of nuclear energy is imperative for the economic development of the country.”
Why relevant

Lists India’s existing nuclear power plants and plans for new indigenous reactors, implying current infrastructure is fission-based and locally developed.

How to extend

One could infer that converting or upgrading many existing indigenous fission reactors using ITER-derived fusion tech would require new infrastructure and time, so immediate drastic efficiency gains are unlikely.

Rajiv Ahir. A Brief History of Modern India (2019 ed.). SPECTRUM. > Chapter 39: After Nehru... > Foreign Relations > p. 761
Strength: 4/5
“The Manmohan Singh government made efforts for stronger ties with the United States. The prime minister visited the US in July 2005 to initiate negotiations over the Indo-US civilian nuclear agreement. When, in 2006, President George W. Bush visited India, the declaration over the nuclear agreement was made. This gave India access to American nuclear fuel and technology, though in return India would have to allow its civil nuclear reactors to be inspected by the IAEA (International Atomic Energy Agency). It was only in October 2008 that India and the US finally signed the agreement after further negotiations and approval from the IAEA, the Nuclear Suppliers Group, and the US Congress.”
Why relevant

Notes the Indo–US civilian nuclear agreement gave India access to American nuclear fuel and technology in return for IAEA inspections.

How to extend

A student can extend this to argue that international technology transfers and regulatory arrangements affect reactor upgrades— ITER success would not automatically produce transferable fission reactor technologies without agreements and adaptation.

Environment, Shankar IAS Acedemy .(ed 10th) > Chapter 23: India and Climate Change > 23.23. OTHER "CRITICAL INITIATIVES" > p. 319
Strength: 4/5
“· In addition, India has 24 other "Critical Initiatives" in the anvil, for which detailed plans and an institutional framework is being prepared • Type: Energy Efficiency in Power Generation; Initiative: Super critical technologies Integrated Gasification Combined Cycle (IGCC) • Type: Technology; Initiative: Natural Gas based Power Plants Closed Cycle Three Stage Nuclear Power Programme Efficient Transmission and Distribution Hydropower • Type: Other Renewable Energy Technologies Programmes; Initiative: RETs for power generation Biomass based popup generation technologies Small scale Hydropower Wind Energy Grid connected systems RETs for 00 00 00 00 All Rights Reserved. No part of this material may be reproduced in any form or by any means, without permission in writing.”
Why relevant

Mentions India's other initiatives around energy efficiency and specific technologies (e.g., Super critical, IGCC, Closed Cycle Three Stage Nuclear Power Programme).

How to extend

This suggests India pursues fission-reactor efficiency via targeted programs; a breakthrough in fusion would not immediately substitute for these ongoing fission-specific development paths.

Contemporary World Politics, Textbook in political science for Class XII (NCERT 2025 ed.) > Chapter 4: International Organisations > IAEA > p. 58
Strength: 3/5
“The International Atomic Energy Agency (IAEA) was established in 1957. It came into being to implement US President Dwight Eisenhower's "Atoms for Peace" proposal. It seeks to promote the peaceful use of nuclear energy and to prevent its use for military purposes. IAEA teams regularly inspect nuclear facilities all over the world to ensure that civilian reactors are not being used for military purposes. peacekeeping efforts is a long and substantial one. The country's economic emergence on the world stage is another factor that perhaps justifies India's claim to a permanent seat in the Security Council. India has also made regular financial contributions to the UN and never faltered on its payments.”
Why relevant

Describes the IAEA's role in promoting peaceful nuclear use and inspections of civilian reactors.

How to extend

A student could reason that any major technological change affecting civilian reactors (from fusion/fission crossover or fuel changes) would interact with international safeguards and institutions, so immediate unilateral deployment is constrained.

Statement 4
If the International Thermonuclear Experimental Reactor (ITER) experiment succeeds, will it immediately allow India to build fusion reactors for power generation?
Origin: Web / Current Affairs Fairness: CA heavy Web-answerable

Web source
Presence: 5/5
"The scientific feasibility of fusion energy has been proven, but technical feasibility remains to be demonstrated in experimental facilities."
Why this source?
  • Says scientific feasibility is proven but technical feasibility still needs demonstration in experimental facilities — ITER is an experimental step, not immediate commercial deployment.
  • Gives an expected commercialization timescale (~2050) even if initial demonstration succeeds, implying many years between ITER success and commercial reactors.
Web source
Presence: 4/5
"DEMO (a proposed nuclear fusion power station that is intended to build upon the ITER experimental nuclear fusion reactor)"
Why this source?
  • Describes DEMO as a proposed power station intended to build upon ITER, indicating ITER is a precursor and further development (DEMO) is needed before power plants.
  • Shows international programs coordinate to 'bridge the scientific and technical gaps between ITER and DEMO', so ITER success alone does not immediately enable commercial reactors.
Web source
Presence: 4/5
"be the only device capable of simulating conditions of a fusion power plant to test prototype components."
Why this source?
  • States ITER's aim is to prove fusion could produce useful energy and to simulate conditions of a fusion power plant to test prototype components.
  • Implying ITER's role is experimental validation and component testing, not immediate commercial reactor construction.

Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 4: Earths Interior > Radioactive Decay > p. 59
Strength: 5/5
“Nuclear fusion doesn't occur inside the earth. For nuclear fusion to occur there must be far more pressure and temperature inside the earth. The earth is not massive enough to cause such conditions.”
Why relevant

Explains the physical conditions required for nuclear fusion (very high pressure/temperature), implying fusion is technically challenging and not commonplace.

How to extend

A student could combine this with knowledge that ITER is experimental to infer that technical success does not automatically translate into immediate, easily-deployable commercial reactors.

Contemporary World Politics, Textbook in political science for Class XII (NCERT 2025 ed.) > Chapter 4: International Organisations > IAEA > p. 58
Strength: 4/5
“The International Atomic Energy Agency (IAEA) was established in 1957. It came into being to implement US President Dwight Eisenhower's "Atoms for Peace" proposal. It seeks to promote the peaceful use of nuclear energy and to prevent its use for military purposes. IAEA teams regularly inspect nuclear facilities all over the world to ensure that civilian reactors are not being used for military purposes. peacekeeping efforts is a long and substantial one. The country's economic emergence on the world stage is another factor that perhaps justifies India's claim to a permanent seat in the Security Council. India has also made regular financial contributions to the UN and never faltered on its payments.”
Why relevant

Describes the IAEA's role in promoting peaceful nuclear uses and in inspecting civilian reactors, highlighting international regulatory and oversight frameworks for nuclear technologies.

Rajiv Ahir. A Brief History of Modern India (2019 ed.). SPECTRUM. > Chapter 39: After Nehru... > Foreign Relations > p. 761
Strength: 4/5
“The Manmohan Singh government made efforts for stronger ties with the United States. The prime minister visited the US in July 2005 to initiate negotiations over the Indo-US civilian nuclear agreement. When, in 2006, President George W. Bush visited India, the declaration over the nuclear agreement was made. This gave India access to American nuclear fuel and technology, though in return India would have to allow its civil nuclear reactors to be inspected by the IAEA (International Atomic Energy Agency). It was only in October 2008 that India and the US finally signed the agreement after further negotiations and approval from the IAEA, the Nuclear Suppliers Group, and the US Congress.”
Why relevant

Discusses the Indo–US civilian nuclear agreement where access to fuel/technology was conditioned on inspections and international approvals, showing technology access can depend on diplomacy and approvals.

How to extend

A student might infer that even if ITER is successful, India’s ability to build commercial fusion plants could depend on international technology-sharing arrangements and approvals.

Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 8: Energy Resources > Source: Department of Atomic Energy, Government of India, March 2018 > p. 27
Strength: 4/5
“Thus, at present, nuclear energy is produced from eleven units located at six centres (Table 8.12). The new sites of nuclear power plants include Bargi or Chutka (M.P.), Haripur (W. Bengal), Jaitapur (Maharashtra), Kawada (Andhra Pradesh), Kudankulam (Tamil Nadu), Kumharia (Haryana), and Mithi-Verdi (Gujarat). The govt. of India on 17th May, 2017, cleared the building of ten new nuclear power plants to add 7,000 MW to India's power generation capacity. These nuclear power plants will be indigenous with a capacity 700 MW each. The nuclear reactors will make it easier to develop the domestic industry. Development of nuclear energy is imperative for the economic development of the country.”
Why relevant

Notes India’s ongoing program to build indigenous nuclear power plants and the role of domestic development in adding capacity, indicating substantial domestic infrastructure and work needed to deploy new reactor types.

How to extend

A student could combine this with the idea that adopting a fundamentally different reactor technology (fusion) would require new domestic R&D, manufacturing, licensing and construction capacity before large-scale deployment.

Politics in India since Independence, Textbook in political science for Class XII (NCERT 2025 ed.) > Chapter 4: Indi External Relations > Fast Forward India's Nuclear Programme > p. 69
Strength: 3/5
“India has opposed the international treaties aimed at non-proliferation since they were selectively applicable to the non-nuclear powers and legitimised the monopoly of the five nuclear weapons powers. Thus, India opposed the indefinite extension of the NPT in 1995 and also refused to sign the Comprehensive Test Ban Treaty (CTBT). India conducted a series of nuclear tests in May 1998, demonstrating its capacity to use nuclear energy for military purposes. Pakistan soon followed, thereby increasing the vulnerability of the region to a nuclear exchange. The international community was extremely critical of the nuclear tests in the subcontinent and sanctions were imposed on both India and Pakistan, which were subsequently waived.”
Why relevant

Records that international politics and non‑proliferation issues shaped India’s past access to nuclear technology (sanctions, supplier group), showing geopolitical factors affect nuclear technology transfer.

How to extend

A student could use this to reason that geopolitical and non‑proliferation considerations might delay or condition international cooperation/transfer of fusion technology, even after ITER succeeds.

Pattern takeaway: UPSC creates options by 'Cross-Pollinating' scientific fields. They will take a Fusion question and put Fission (Thorium) and Space (Navigation) as distractors. If you know the fundamental domain of the keyword, the answer pops out.
How you should have studied
  1. [THE VERDICT]: Sitter. Solvable purely by knowing ITER stands for 'International Thermonuclear Experimental Reactor' (Thermonuclear = Fusion). Source: Any standard Science & Tech compilation or The Hindu S&T page.
  2. [THE CONCEPTUAL TRIGGER]: Mega-Science Projects involving India (ITER, LIGO, CERN, TMT, SKA).
  3. [THE HORIZONTAL EXPANSION]: 1. ITER Location: Cadarache, France. 2. Members: EU, India, Japan, China, Russia, S. Korea, USA. 3. Fuel: Deuterium + Tritium. 4. India's specific contribution: The Cryostat (manufactured by L&T). 5. Difference between Tokamak (ITER) and Stellarator.
  4. [THE STRATEGIC METACOGNITION]: When studying global science projects, create a 3-column table: Project Name | Scientific Principle (e.g., Fusion, Gravitational Waves) | India's Role. Do not over-analyze 'immediate' in the question text; look for the option that matches the scientific domain (Fusion).
Concept hooks from this question
📌 Adjacent topic to master
S1
👉 Thorium's role in the nuclear fuel cycle (breeding vs direct use)
💡 The insight

References state thorium is used for breeding nuclear fuel (uranium) and is also used as a nuclear fuel in some contexts.

High-yield for UPSC because questions probe fuel-cycle technologies and distinctions between fissile and fertile materials. Links to nuclear policy, reactor types, and energy transition questions. Prepare by comparing thorium/uranium fuel cycles, breeder reactors, and reactor examples cited in textbooks.

📚 Reading List :
  • Environment and Ecology, Majid Hussain (Access publishing 3rd ed.) > Chapter 9: Distribution of World Natural Resources > thorium > p. 40
  • INDIA PEOPLE AND ECONOMY, TEXTBOOK IN GEOGRAPHY FOR CLASS XII (NCERT 2025 ed.) > Chapter 5: Mineral and Energy Resources > Nuclear Energy Resources > p. 61
🔗 Anchor: "If the International Thermonuclear Experimental Reactor (ITER) experiment succee..."
📌 Adjacent topic to master
S1
👉 Geographic distribution of thorium resources in India
💡 The insight

Multiple references identify monazite/beach sands and specific Indian states/districts as thorium sources.

Useful for GS Paper I/III questions on mineral resources and energy geography; helps answer location-based and resource-policy questions. Learn state-wise deposits, monazite occurrence, and link resource locations to coastal geology and industrial policy.

📚 Reading List :
  • INDIA PEOPLE AND ECONOMY, TEXTBOOK IN GEOGRAPHY FOR CLASS XII (NCERT 2025 ed.) > Chapter 5: Mineral and Energy Resources > Nuclear Energy Resources > p. 61
  • Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 7: Resources > Natural Resources of India > p. 30
  • NCERT. (2022). Contemporary India II: Textbook in Geography for Class X (Revised ed.). NCERT. > Chapter 5: Print Culture and the Modern World > Nuclear or Atomic Energy > p. 117
🔗 Anchor: "If the International Thermonuclear Experimental Reactor (ITER) experiment succee..."
📌 Adjacent topic to master
S1
👉 India's uranium dependence vs domestic thorium potential
💡 The insight

Evidence notes India is largely dependent on foreign uranium supply while possessing thorium deposits.

Important for questions on energy security and nuclear diplomacy (civil nuclear agreements). Helps frame arguments about why thorium adoption is strategic but not an immediate substitute; study policy documents, import dependence, and technology readiness.

📚 Reading List :
  • Environment and Ecology, Majid Hussain (Access publishing 3rd ed.) > Chapter 6: Environmental Degradation and Management > iii) nuclear Energy > p. 52
  • Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 7: Resources > Table 7.7 > p. 16
🔗 Anchor: "If the International Thermonuclear Experimental Reactor (ITER) experiment succee..."
📌 Adjacent topic to master
S2
👉 India's satellite navigation programmes (NavIC & GAGAN)
💡 The insight

The statement concerns India attaining a global role in satellite navigation; the references identify satellite-aided navigation (NavIC, GAGAN) as a distinct focus area of India's space programme.

High-yield for UPSC: questions often probe India's indigenous space capabilities and regional/global navigation systems. Understanding NavIC/GAGAN clarifies what constitutes 'global role' (infrastructure, coverage, services) and what capabilities are required. Connects to space policy, defence, and civil-military use of satellites. Prepare by studying programme objectives, coverage scales (regional vs global), and service applications.

📚 Reading List :
  • Indian Economy, Nitin Singhania .(ed 2nd 2021-22) > Chapter 14: Service Sector > SPACE SECTOR > p. 433
  • FUNDAMENTALS OF HUMAN GEOGRAPHY, CLASS XII (NCERT 2025 ed.) > Chapter 7: Transport and Communication > Satellite Communication > p. 68
🔗 Anchor: "If the International Thermonuclear Experimental Reactor (ITER) experiment succee..."
📌 Adjacent topic to master
S2
👉 International nuclear governance and technology access (IAEA, NSG, bilateral deals)
💡 The insight

ITER is an international nuclear/fusion experiment; the references discuss multilateral nuclear bodies and agreements that affect technology access and inspection (IAEA, NSG, Indo‑US civilian nuclear deal).

Important for UPSC analysis of how international regimes shape access to advanced technologies. Shows that international projects involve governance, inspections, and negotiated tech transfer — relevant to whether a foreign technology success (like ITER) would automatically translate into strategic capabilities for a country. Study institutional roles (IAEA, NSG), key agreements, and case studies (Indo‑US deal) to answer policy linkage questions.

📚 Reading List :
  • Contemporary World Politics, Textbook in political science for Class XII (NCERT 2025 ed.) > Chapter 4: International Organisations > IAEA > p. 58
  • Rajiv Ahir. A Brief History of Modern India (2019 ed.). SPECTRUM. > Chapter 39: After Nehru... > Foreign Relations > p. 761
🔗 Anchor: "If the International Thermonuclear Experimental Reactor (ITER) experiment succee..."
📌 Adjacent topic to master
S2
👉 India's space infrastructure and launch history
💡 The insight

Assessing whether a non-space technology success (ITER) would 'immediately' enable global satellite navigation requires grounding in India's existing space-launch and satellite programmes described in the references.

Useful for UPSC: shows the foundational elements (launch vehicles, launch sites, satellite development) that determine how quickly India can scale navigation services. Links to topics on technological capacity, industrial base, and timeline realism. Prepare by reviewing milestones in Indian space history and current capabilities to judge feasibility claims.

📚 Reading List :
  • Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 12: Transport, Communications and Trade > Major Events > p. 56
  • Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 12: Transport, Communications and Trade > Phase II: 1970–80 > p. 55
🔗 Anchor: "If the International Thermonuclear Experimental Reactor (ITER) experiment succee..."
📌 Adjacent topic to master
S3
👉 Fission vs Fusion (energy vs weapons contexts)
💡 The insight

The statement concerns ITER (a fusion experiment) while the references discuss fission-based power generation and also mention 'fusion devices' in a weapons test—highlighting the conceptual difference.

UPSC aspirants should master the difference between nuclear fission (commercial reactors using uranium/thorium) and nuclear fusion (experimental reactors like ITER, and thermonuclear weapons) because many policy and technology questions hinge on whether fusion breakthroughs directly affect existing fission infrastructure. This concept connects to energy policy, defence technology, and R&D timelines; prepare by comparing fuel cycles, maturity of technologies, and realistic timelines for deployment.

📚 Reading List :
  • Rajiv Ahir. A Brief History of Modern India (2019 ed.). SPECTRUM. > Chapter 39: After Nehru... > Pokhran II: Operation Shakti > p. 754
  • Environment and Ecology, Majid Hussain (Access publishing 3rd ed.) > Chapter 6: Environmental Degradation and Management > iii) nuclear Energy > p. 52
  • Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 8: Energy Resources > Source: Department of Atomic Energy, Government of India, March 2018 > p. 27
🔗 Anchor: "If the International Thermonuclear Experimental Reactor (ITER) experiment succee..."
🌑 The Hidden Trap

Since ITER is about Fusion, the logical sibling is the 'China's Artificial Sun' (EAST - Experimental Advanced Superconducting Tokamak) or the 'Joint European Torus' (JET). Also, watch out for the 'India-based Neutrino Observatory (INO)' details—location (Theni) and particle type (Neutrinos, not Fusion).

⚡ Elimination Cheat Code

The 'Domain Mismatch' Hack:
- Option A: Thorium = Fission (Wrong Domain).
- Option B: Satellites = Space (Wrong Domain).
- Option C: Fission Reactors = Fission (Wrong Domain).
- Option D: Fusion Reactors = Fusion (Correct Domain).
Even if you doubt the word 'immediate', Option D is the only one scientifically compatible with the word 'Thermonuclear' in the question.

🔗 Mains Connection

Mains GS3 (Energy Security): India joins ITER not just for science, but to hedge against the delays in its domestic 3-Stage Nuclear Program (Thorium-based Fission). It represents a diversification of India's long-term energy security strategy beyond fossil fuels and conventional fission.

✓ Thank you! We'll review this.

SIMILAR QUESTIONS

IAS · 2007 · Q2 Relevance score: 1.96

Recently, the European Union and other six countries including India signed the International Thermonuclear Experimental Reactor (ITER) Project. Which one of the following was not a signatory to it?

IAS · 2008 · Q87 Relevance score: -0.44

In which of the following locations is the International Thermonuclear Experimental Reactor (ITER) project to be built?

CDS-I · 2006 · Q14 Relevance score: -0.82

Consider the following statements 1. India is a permanent member of the Board of Governors of International Atomic Energy Agency (IAEA). 2. In September 2005, on the issue of Iran’s nuclear programme, India voted against the resolut ion of IA EA’s Board of Governors. Which of the statements given above is/ are correct ?

IAS · 2008 · Q128 Relevance score: -2.17

Consider the following statements: 1. The Nuclear Suppliers Group has 24 countries as its members. 2. India is a member of the Nuclear Suppliers Group. Which of the statements given above is/are correct?

CAPF · 2010 · Q61 Relevance score: -2.23

Consider the following statements : 1. Nuclear power is the fourth largest source of electricity in India after thermal, hydro and renewable sources. 2. India is a non-signatory of the Nuclear Non Proliferation Treaty. 3. India is a member of Nuclear Suppliers Group. Which of the statements given above is/ are correct ?