NEW DELHI, April 26 -- Prime Minister Narendra Modi on Sunday highlighted India's upcoming digital census and recent gains in clean energy and nuclear power, calling them key milestones in the country's development.

Speaking in his monthly radio address Mann Ki Baat, Modi said the fast breeder reactor at Kalpakkam, Tamil Nadu, built indigenously, has achieved criticality. "The Fast Breeder Reactor in Kalpakkam, Tamil Nadu, has achieved criticality. Actually, criticality is the stage during which a reactor successfully attains a self-sustaining nuclear chain reaction for the first time. This stage signifies the reactor entering the operational phase," the Prime Minister said.

As of April 2026, India has an installed nuclear power capacit...