Q1. The Prototype Fast Breeder Reactor (PFBR) at Kalpakkam attained first criticality in early April 2026. What is its installed capacity, and which stage of India's three-stage nuclear power programme does it formally mark?
A 500 MWe, Second Stage Correct
B 220 MWe, First Stage
C 700 MWe, Third Stage
D 1000 MWe, Second Stage
Explanation
The 500 MWe Prototype Fast Breeder Reactor at Kalpakkam attained first criticality on April 6, 2026, marking India's formal entry into the Second Stage of its three-stage nuclear programme envisioned by Homi Bhabha, bringing the country closer to thorium-based power generation in the Third Stage.