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Renewable Energy & Power Sector15 Concepts & Facts

Nuclear Power in India GK Questions & Answers

Reviewed by the Master10 Editorial Board for accuracy, clarity and competitive-exam relevance.Editorial Policy
Civilian nuclear power in India is governed by the Atomic Energy Act, 1962, which vested exclusive federal authority over atomic minerals, fissile materials, and atomic facilities in the Union Government. Policy execution is directed by the Atomic Energy Commission (AEC) and the Department of Atomic Energy (DAE), functioning under the direct administrative charge of the Prime Minister. The Nuclear Power Corporation of India Limited (NPCIL), incorporated in 1987, oversees the engineering, construction, and operation of commercial nuclear power stations. Technical safety guidelines, radiological protection rules, and plant licensing are independently enforced by the Atomic Energy Regulatory Board (AERB), established in 1983.

In 1954, Dr. Homi Jehangir Bhabha formulated India's Three-Stage Nuclear Power Programme to overcome domestic uranium scarcity by utilizing extensive coastal monazite thorium reserves. Stage 1 utilizes Pressurized Heavy Water Reactors (PHWRs) fueled by natural uranium (0.7 percent fissile U-235) and moderated by deuterium oxide (heavy water), yielding electricity and producing plutonium-239 via neutron capture. Stage 2 deploys Fast Breeder Reactors (FBRs) utilizing plutonium-239 within a mixed oxide (MOX) core cooled by liquid sodium; a surrounding thorium-232 blanket transmutes into fissile uranium-233, demonstrated by the 500 MWe Prototype Fast Breeder Reactor (PFBR) at Kalpakkam developed by BHAVINI. Stage 3 envisions Advanced Heavy Water Reactors operating on thorium-232 and uranium-233 fuel cycles for sustainable energy self-sufficiency.

Commercial reactor installations operate at Tarapur (Maharashtra, commissioned in 1969 with boiling water reactors), Rawatbhata (Rajasthan), Kalpakkam (Tamil Nadu), Narora (Uttar Pradesh), Kaiga (Karnataka), Kakrapar (Gujarat, hosting indigenous 700 MWe PHWR units), and Kudankulam (Tamil Nadu, utilizing Russian VVER-1000 reactors). Following the 2008 Indo-US Civil Nuclear Agreement and the Nuclear Suppliers Group waiver, India placed designated civilian facilities under International Atomic Energy Agency (IAEA) safeguards. Within civil service science and technology curricula, atomic governance is heavily evaluated. Examiners test Bhabha's closed fuel cycle stages, heavy water moderation mechanics, the Civil Liability for Nuclear Damage Act of 2010, and proposed sites including Gorakhpur in Haryana and Jaitapur in Maharashtra.

Key Concepts & Self-Assessment15 Key Facts

Review key Nuclear Power in India: Homi Bhabha 3-Stage Programme & Key Reactor Sites exam facts and rate your mastery to track revision.

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#1
The Three-Stage Nuclear Power Programme was formulated by Dr. Homi Jehangir Bhabha in 1954 to utilize India's extensive domestic thorium reserves.
#2
Stage 1 deploys Pressurised Heavy Water Reactors (PHWRs) fueled by natural uranium to produce electricity and byproduct Plutonium-239.
#3
Stage 2 utilizes Fast Breeder Reactors (FBRs) fueled by Plutonium-239 and Uranium-238 to breed fissile Uranium-233 from surrounding Thorium-232 blankets.
#4
Stage 3 envisions Advanced Heavy Water Reactors (AHWRs) running self-sustaining thermal thorium and Uranium-233 fuel cycles.
#5
The Atomic Energy Commission of India was constituted in August 1948, followed by the establishment of the Department of Atomic Energy in 1954.
#6
Apsara, commissioned at Trombay in August 1956, operated as the first nuclear research reactor in India and across the Asian continent.
#7
Tarapur Atomic Power Station in Maharashtra commenced commercial operation in 1969 as India's first commercial nuclear generating station.
#8
Kudankulam Nuclear Power Plant in Tamil Nadu houses Russian-designed VVER-1000 pressurized water reactors, the highest single-unit capacity in India.
#9
The 500 MWe Prototype Fast Breeder Reactor (PFBR) at Kalpakkam was constructed by BHAVINI using liquid sodium coolant and MOX fuel.
#10
Kakrapar Atomic Power Station Unit 3 (KAPS-3) in Gujarat represents India's first indigenously designed commercial 700 MWe PHWR, achieving criticality in 2020.
#11
Heavy water (deuterium oxide, D2O) is synthesized domestically by the Heavy Water Board at plants located in Kota, Baroda, and Manuguru.
#12
Uranium Corporation of India Limited (UCIL) operates underground uranium mines in Jharkhand at Jaduguda, Narwapahar, and Turamdih, and Tummalapalle in Andhra Pradesh.
#13
Coastal placer monazite beach sands across Kerala, Tamil Nadu, and Odisha contain high concentrations of thorium phosphate, mined by Indian Rare Earths Limited.
#14
Section 17(b) of the Civil Liability for Nuclear Damage Act, 2010 provides plant operators a statutory right of recourse against equipment suppliers for product defects.
#15
The Nuclear Suppliers Group (NSG) granted India an exceptional country-specific safeguards waiver in September 2008, integrating India into international civilian nuclear commerce.

Subject Specialist Commentary

Analytical perspective & practical exam advice from the Master10 academic board

Educator's Insight
India's nuclear energy strategy was designed in 1954 by Dr. Homi Jehangir Bhabha to utilize the country's vast coastal thorium reserves. Because India has limited domestic natural uranium, Bhabha structured a sequential three-stage program. Stage one uses Pressurised Heavy Water Reactors fueled by natural uranium to produce plutonium. Stage two deploys Fast Breeder Reactors fueled by plutonium to breed fissile Uranium-233 from thorium blankets. Stage three envisions Advanced Heavy Water Reactors using self-sustaining thorium-uranium fuel cycles.
In UPSC Prelims and State PSC exams, science questions frequently test reactor types and nuclear site locations. Remember that Tarapur in Maharashtra was India's first commercial nuclear power plant, whereas Apsara was Asia's first research reactor. A common question trap confuses Kudankulam, which uses Russian VVER pressurized water technology, with indigenous PHWR plants like Narora, Kakrapar, and Kaiga. For your revision, remember that the Prototype Fast Breeder Reactor is located at Kalpakkam in Tamil Nadu.

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