UPSC Prelims Practice Questions — Kudankulam ‘data breach’ unrelated to nuclear activity: govt.

Q1. Which one of the following, with an ultimate planned site capacity of 6,000 MW, is India's largest nuclear power station?

  • A. Tarapur Atomic Power Station, Maharashtra
  • B. Rawatbhata (Rajasthan) Atomic Power Station
  • C. Kudankulam Nuclear Power Plant, Tamil Nadu
  • D. Kakrapar Atomic Power Station, Gujarat

Q2. With reference to the Kudankulam Nuclear Power Plant (KKNPP), consider the following statements: 1. Its operational Units 1 and 2 are VVER-1000 type light water reactors set up in cooperation with Russia. 2. The ultimate planned capacity of the Kudankulam site is 6,000 MW from six reactors. 3. Units 1 and 2 together contribute an installed capacity of 2,000 MW. 4. All six Kudankulam units are indigenously designed Pressurised Heavy Water Reactors. Which of the above is/are NOT correct?

  1. Its operational Units 1 and 2 are VVER-1000 type light water reactors set up in cooperation with Russia.
  2. The ultimate planned capacity of the Kudankulam site is 6,000 MW from six reactors.
  3. Units 1 and 2 together contribute an installed capacity of 2,000 MW.
  4. All six Kudankulam units are indigenously designed Pressurised Heavy Water Reactors.
  • A. 1 only
  • B. 4 only
  • C. 2 and 3
  • D. 3 and 4

Q3. Which one of the following is the apex body that formulates the policy of India's atomic energy programme, oversees the functioning of the Atomic Energy Regulatory Board, and is headed by the Secretary, Department of Atomic Energy?

  • A. Nuclear Power Corporation of India Limited
  • B. Atomic Energy Commission
  • C. Bhabha Atomic Research Centre
  • D. Atomic Energy Regulatory Board

Q4. As of early 2025, the nuclear power reactors operated by NPCIL gave India a total installed nuclear capacity of about 8,180 MW. This capacity was spread across how many operational reactors?

  • A. 20
  • B. 22
  • C. 24
  • D. 27

Q5. With reference to the 2026 Kudankulam-linked data breach, consider the following statements: 1. The leaked files originated from the systems of Reliance Infrastructure, a contractor for KKNPP Units 3 and 4. 2. The ransomware group responsible was identified as 'World Leaks'. 3. NPCIL confirmed that reactor safety and security systems had been compromised. 4. The exposed data pertained to conventional Balance of Plant (BoP) common service facilities. Which of the statements given above is/are correct?

  1. The leaked files originated from the systems of Reliance Infrastructure, a contractor for KKNPP Units 3 and 4.
  2. The ransomware group responsible was identified as 'World Leaks'.
  3. NPCIL confirmed that reactor safety and security systems had been compromised.
  4. The exposed data pertained to conventional Balance of Plant (BoP) common service facilities.
  • A. 1, 2 and 4
  • B. 2, 3 and 4
  • C. 1 and 3
  • D. 1, 2, 3 and 4

Q6. In the 2026 dark-web dump attributed to the 'World Leaks' group, approximately how many Kudankulam-linked files were claimed to have been leaked?

  • A. 9,000
  • B. 14,000
  • C. 19,000
  • D. 85,000

Q7. With reference to India's cybersecurity architecture, consider the following statements: 1. CERT-In is the national agency for responding to cyber security incidents under Section 70B of the IT Act, 2000. 2. NCIIPC is the national nodal agency for Critical Information Infrastructure protection under Section 70A of the IT Act. 3. CERT-In functions under the Ministry of Electronics and Information Technology. 4. NCIIPC functions under the Ministry of Home Affairs. Which of the above is/are NOT correct?

  1. CERT-In is the national agency for responding to cyber security incidents under Section 70B of the IT Act, 2000.
  2. NCIIPC is the national nodal agency for Critical Information Infrastructure protection under Section 70A of the IT Act.
  3. CERT-In functions under the Ministry of Electronics and Information Technology.
  4. NCIIPC functions under the Ministry of Home Affairs.
  • A. 1 and 2
  • B. 4 only
  • C. 3 and 4
  • D. 2 only

Q8. With reference to India's nuclear power expansion targets, consider the following statements: 1. India's installed nuclear capacity is targeted to rise to about 22,480 MW by 2031-32. 2. India aims to reach 100 GW of nuclear power capacity by 2047. 3. As of early 2025, India's installed nuclear capacity was about 8,180 MW. 4. The Nuclear Energy Mission of Budget 2025-26 targets 100 GW of nuclear capacity by 2031-32. Which of the statements given above is/are correct?

  1. India's installed nuclear capacity is targeted to rise to about 22,480 MW by 2031-32.
  2. India aims to reach 100 GW of nuclear power capacity by 2047.
  3. As of early 2025, India's installed nuclear capacity was about 8,180 MW.
  4. The Nuclear Energy Mission of Budget 2025-26 targets 100 GW of nuclear capacity by 2031-32.
  • A. 1, 2 and 3
  • B. 1, 3 and 4
  • C. 2 and 4
  • D. 1, 2, 3 and 4

Q9. Which one of the following is the public sector entity responsible for the design, construction, commissioning and operation of the nuclear power reactors that constitute India's installed nuclear capacity?

  • A. Bhabha Atomic Research Centre (BARC)
  • B. Bharatiya Nabhikiya Vidyut Nigam Limited (BHAVINI)
  • C. Nuclear Power Corporation of India Limited (NPCIL)
  • D. National Thermal Power Corporation (NTPC)

Q10. Which one of the following is the statutory regulatory authority primarily responsible for granting stage-wise safety clearances to nuclear power plants in India?

  • A. Atomic Energy Commission
  • B. Atomic Energy Regulatory Board
  • C. Nuclear Power Corporation of India Limited
  • D. National Critical Information Infrastructure Protection Centre

Q11. With reference to the Atomic Energy Regulatory Board (AERB), consider the following statements: 1. It was constituted on 15 November 1983 under the Atomic Energy Act, 1962. 2. It grants stage-wise safety clearances for establishing nuclear power plants. 3. It is a constitutional body established under a specific Article of the Constitution. 4. Its regulatory authority is derived partly from the Environment (Protection) Act, 1986. Which of the statements given above is/are correct?

  1. It was constituted on 15 November 1983 under the Atomic Energy Act, 1962.
  2. It grants stage-wise safety clearances for establishing nuclear power plants.
  3. It is a constitutional body established under a specific Article of the Constitution.
  4. Its regulatory authority is derived partly from the Environment (Protection) Act, 1986.
  • A. 1, 2 and 4
  • B. 2, 3 and 4
  • C. 1 and 3
  • D. 1, 2, 3 and 4