Mains Answer Writing - 12 Apr, 2026

GS3

Science & Technology

10 marks

Discuss the role of the Prototype Fast Breeder Reactor (PFBR) in advancing India’s nuclear energy capabilities. How does it contribute to achieving sustainability and energy independence?

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Tips for your answer

1. Strong intro: Link PFBR to India’s three-stage nuclear programme + recent criticality.
2. Clear structure:
Role in nuclear capability (breeding, second stage)
Role in sustainability & energy independence (fuel efficiency, reduced imports, thorium pathway)
3. Value add: Use keywords like closed fuel cycle, fuel multiplication, indigenous tech and end with a future-oriented conclusion.

7/10

Topper’s Answer Sheet

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