What is the common examiner trap about Science & Tech in UPSC exams?

Confusing 'attaining criticality' with 'commissioning' of a reactor, or mixing up the stages of the nuclear programme (e.g., stating FBR is Stage 3). In Finance Commission, confusing 'vertical devolution' (Centre to states) with 'horizontal devolution' (among states).

What should UPSC aspirants remember about Science & Tech for Prelims?

1. Target this Data: 500 MWe capacity of Kalpakkam FBR 2. Target this Nodal Body: Bharatiya Nabhikiya Vidyut Nigam Ltd (BHAVINI) 3. Target this Legal Point: Article 22 protections against arrest 4. Target this Constitutional Body: Finance Commission under Article 280

Science & TechnologyPolity

Take AI Challenge ▸

News 3 of 36

Kalpakkam Fast Breeder Reactor Attains Criticality, 9 Cops Get Death for Custodial Deaths, 16th FC Report Accepted

Q: Which public sector enterprise is responsible for building and operating India's Fast Breeder Reactor at Kalpakkam?

Bharatiya Nabhikiya Vidyut Nigam Ltd (BHAVINI), The article states BHAVINI was incorporated in 2003 to build and operate India's most advanced nuclear reactor, the PFBR (Prototype Fast Breeder Reactor) at Kalpakkam. NPCIL operates PHWRs, while IREL and UCIL handle rare earths and uranium mining respectively.

Q: Consider the following statements regarding the news: 1. Attaining criticality in a nuclear reactor means the initiation of a self-sustaining nuclear fission reaction. 2. The 16th Finance Commission has increased the vertical devolution share of states to 45% of the divisible pool. 3. The Supreme Court's guidelines in the DK Basu case are aimed at preventing custodial violence. Which of the statements given above is/are correct?

Both 1 and 3, Statement 1 is correct as per the article's definition of criticality. Statement 2 is incorrect; the 16th FC retained the states' share at 41%, not increased it to 45%. Statement 3 is correct as the DK Basu guidelines are a key judicial measure against custodial torture and deaths.

Q: What is the installed atomic power capacity of India, as mentioned in the article, which forms the bulk of Stage 1 of the nuclear programme?

8,180 MWe, The article explicitly states that Pressurised Heavy Water Reactors (PHWRs), which form the bulk of India's installed atomic power capacity, have a capacity of 8,180 MWe. The other options are close but incorrect distractors.

Q: A key criticism of the Sixteenth Finance Commission's recommendations, as highlighted in the editorial, is that they:

Tilted the fiscal balance towards greater central leverage through discretionary transfers., The editorial analysis by Haseeb Drabu argues that changes in horizontal criteria, discontinuation of statutory grants, and tacit approval to the shrinking divisible pool have increased the Centre's discretionary power over funds, weakening state fiscal autonomy. The share of northeastern states was reportedly reduced.

Science & Tech Polity EconomyCORE

Target:UPSC GS-IIIMPSCTeachingSSC GAPrelims HighMains HighStatic GK Link

07 Apr 2026

~2 min

Source: Indian Express

Key Data:500 MWe8,180 MWe41% vertical devolutionYear 2020

Bodies:BHAVINISupreme CourtFinance CommissionNCRBNHRC

Practice MCQs from today's news ▸

~2 min · Quick mode

What This Article Covers

1.India's first indigenous 500 MWe Fast Breeder Reactor at Kalpakkam attained criticality, a key milestone in the three-stage nuclear programme for thorium utilisation.

2.A Madurai court sentenced nine Tamil Nadu police personnel to death for the 2020 custodial deaths of P Jayaraj and J Benicks, highlighting judicial action against custodial violence.

3.The Sixteenth Finance Commission's accepted recommendations are critiqued for tilting fiscal balance towards the Centre via changes in devolution criteria and discontinuation of statutory grants.

The Big Picture

Prelims · HighMains · High

A multi-topic daily digest crucial for UPSC aspirants covering India's nuclear milestone, a landmark conviction in a custodial death case, and critical analysis of the accepted 16th Finance Commission report. Each topic offers high-value static GK linkage and exam-oriented analysis.

Exam Lens

Quick Exam Facts From News

FBR Capacity500 MWe

Custodial Death Case Year2020

Convicted Personnel9 police

16th FC Vertical Devolution41% to states

1-Minute Revision

›FBR Capacity: 500 MWe
›Custodial Death Case Year: 2020
›Target this Data: 500 MWe capacity of Kalpakkam FBR
›Target this Nodal Body: Bharatiya Nabhikiya Vidyut Nigam Ltd (BHAVINI)
›Target this Legal Point: Article 22 protections against arrest
›Target this Constitutional Body: Finance Commission under Article 280

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

News Snapshot

⚛️

Nuclear Milestone

India's indigenous Fast Breeder Reactor at Kalpakkam attained criticality, marking progress in the three-stage programme to use thorium reserves.

⚖️

Judicial Precedent

Death penalty for nine police personnel in the Sattankulam custodial death case sets a strong legal precedent against police brutality.

📊

Fiscal Federalism

The 16th Finance Commission report is criticized for reducing effective state shares and increasing central leverage through discretionary transfers.

Detailed Analysis & Strategic Depth

Context / Background

India's three-stage nuclear programme, initiated by Homi Bhabha, aims for energy independence using thorium. Stage 1 uses PHWRs, Stage 2 involves FBRs to breed plutonium, and Stage 3 will use thorium. The Kalpakkam FBR, built by BHAVINI, faced delays since its 2003 inception. Separately, custodial deaths remain a severe governance challenge, with the NCRB reporting 76 cases in 2020. The Finance Commission, a constitutional body under Article 280, is pivotal for fiscal federalism.

Core Analysis & Implications

The FBR's criticality is a strategic leap, making India the second country after Russia with a commercial FBR. It uses MOX fuel and a Uranium-238 blanket for breeding, advancing fuel cycle capabilities. The custodial death conviction, referencing DK Basu guidelines, underscores judicial accountability but contrasts with India's non-ratification of UNCAT. The 16th FC, while keeping the vertical devolution at 41%, altered horizontal criteria, reportedly reducing shares for 14 states, including the Northeast, and discontinued statutory grants, potentially weakening fiscal autonomy.

Future Outlook / Way Forward

The FBR will move towards full power generation, bolstering India's position in advanced nuclear tech. The judgment may catalyze police reforms and renewed calls for ratifying UNCAT. The 16th FC's implementation will test fiscal federalism, with states likely to seek redress for reduced effective shares. Future commissions must address the shrinking divisible pool and ensure balanced resource distribution.

Key Facts at a Glance

FBR Capacity500 MWe

Custodial Death Case Year2020

Convicted Personnel9 police

16th FC Vertical Devolution41% to states

You've read the full analysis. Now test your understanding.

Practice exam-style questions based on this article.

Q1Static LinkageMediumUPSC, SSC

Which public sector enterprise is responsible for building and operating India's Fast Breeder Reactor at Kalpakkam?

Q2Statement-basedHardUPSC

Consider the following statements regarding the news:

1. Attaining criticality in a nuclear reactor means the initiation of a self-sustaining nuclear fission reaction.

2. The 16th Finance Commission has increased the vertical devolution share of states to 45% of the divisible pool.

3. The Supreme Court's guidelines in the DK Basu case are aimed at preventing custodial violence.

Which of the statements given above is/are correct?

Q3Data-centricMediumUPSC, SSC

What is the installed atomic power capacity of India, as mentioned in the article, which forms the bulk of Stage 1 of the nuclear programme?

Q4Application/ImpactMediumUPSC, State PSC

A key criticism of the Sixteenth Finance Commission's recommendations, as highlighted in the editorial, is that they:

All 25 MCQs ▸

Read original article from Indian Express

You finished this topic

Practice 3 MCQs from this news Next Article

Explore Related Topics

Science & TechView Topic MCQs →PolityView Topic MCQs →EconomyView Topic MCQs →

PreviousIndia's 500 MWe Prototype Fast Breeder Reactor at Kalpakkam Achieves Criticality, Marking Second Stage of Nuclear Programme Next Justice Nagarathna Argues Article 17 Applicability Limited in Sabarimala Case Amid Nine-Judge Bench Review Hearing

Related Current Affairs

Polity Current Affairs

UPSC Key: 14 Internal EC Dissents, Tarang Shakti-26 Multinational Exercise, and AI-Driven Semiconductor Supercycle

This Indian Express 'UPSC Key' compilation covers six critical topics: unprecedented internal dissent within the Election Commission (14 objections in 10 months), the second edition of India's largest multinational air exercise Tarang Shakti-26, the Supreme Court's reaffirmation of the Bijoe Emmanuel precedent on Vande Mataram, a new Centre scheme for lithium and nickel processing, the evolution of Yemen's Houthis from a local revivalist movement to a Red Sea power, and the global semiconductor 'supercycle' driven by AI demand. Each story is mapped to UPSC syllabus with previous year questions.

Polity Current Affairs

SC Upholds NCLAT Order Setting Aside CCI's ₹301.6 Cr Penalty on Grasim

The Supreme Court upheld the NCLAT order setting aside CCI's ₹301.6 crore penalty on Grasim Industries for alleged abuse of dominance in the viscose staple fibre market. The Court affirmed that CCI violated natural justice by not providing a hearing after differing from the Director General's findings.

Polity Current Affairs

RDI Fund: Govt Defends Conflict Safeguards; 62% of ₹2,192 Cr Loans Went to Panel-Linked Firms

The RDI Fund, created to support deep tech companies, faces controversy as 62% of first-round soft loans (₹2,192 crore) went to firms linked to selection panel members. The government defends safeguards including super-majority voting and 10% stake disqualification, noting the second cohort has only 1 of 13 such companies. Congress seeks a parliamentary review on August 13.

Polity Current Affairs

PM CARES Fund: Donations Fall to ₹479.96 Cr, Balance Hits Record ₹8,452 Cr; No Questions in Lok Sabha

PM CARES Fund, a public charitable trust set up in 2020 for COVID-19 relief, saw donations plunge to ₹479.96 crore in FY2024-25 while its closing balance hit a record ₹8,452.06 crore. Spending fell to a five-year low of ₹87.85 lakh. The PMO has informed Lok Sabha that questions on PM CARES, PMNRF, and NDF are not admissible under parliamentary rules as they are funded by voluntary contributions, not from the Consolidated Fund of India.

Polity Current Affairs

₹1,700 Cr Donations to 6 RUPPs: Need for De-Registration Powers to EC

An investigation revealed that six Registered Unrecognised Political Parties (RUPPs) in Gujarat received ₹1,700 crore in donations in 2023-24, exceeding the combined donations of all national parties except the BJP. This highlights regulatory gaps that allow RUPPs to be used as conduits for tax evasion and money laundering. The article examines the need for the Election Commission to have de-registration powers and suggests a vote threshold for tax exemptions to curb misuse.

Polity Current Affairs

Govt Informs SC: Nilekani-led NEET Reforms Panel to Submit Interim Report by September End

The high-powered Nandan Nilekani-led panel on NEET structural reforms is set to submit its first interim report by September 2026. The Supreme Court is closely monitoring, stressing a permanent NTA structure. This impacts the future conduct of India's largest medical entrance exam, making it crucial for aspirants tracking exam security reforms.

Polity Current Affairs

Parliament Passes Mines and Minerals Amendment Act 2026 Overriding SC Ruling, Extinguishes Rs 2 Lakh Cr Dues

The Mines and Minerals (Development and Regulation) Amendment Act, 2026 restricts states from imposing specified levies on mineral rights and extinguishes ~Rs 2 lakh crore in unpaid dues. Mineral-rich states like Odisha and Jharkhand oppose it as a blow to federal fiscal autonomy, potentially losing thousands of crores annually. This reverses the financial impact of a landmark 2024 Supreme Court ruling that had empowered states to tax mineral-bearing lands.

Polity Current Affairs

SC Applies Section 498A to Live-in Relationships; NOTTO Launches Real-Time Organ Transplant Portal with Aadhaar Pledges

The Indian Express UPSC Key for August 4, 2026, covers multiple crucial topics: the Supreme Court's ruling extending Section 498A cruelty protection to live-in relationships, the launch of a real-time organ transplant portal by NOTTO, the Vikram Sarabhai Medal awarded to Annapurni Subramaniam, India's resilient fertiliser supply amid the Iran war, the science behind Europe's wildfires, and the Ceuta migrant crisis. These topics span Polity, Health, Science, Environment, and International Relations, offering direct material for UPSC Prelims and Mains.

Start Today's Quiz(25 Qs)

Take Today's Quiz

25 Qs • 5-7 Mins

Kalpakkam Fast Breeder Reactor Attains Criticality, 9 Cops Get Death for Custodial Deaths, 16th FC Report Accepted

Exam Lens

Quick Exam Facts From News

1-Minute Revision

News Snapshot

Nuclear Milestone

Judicial Precedent

Fiscal Federalism

Detailed Analysis & Strategic Depth

Context / Background

Core Analysis & Implications

Future Outlook / Way Forward

Prelims Flashpoints

Key Facts at a Glance