During his 133rd Mann Ki Baat address, Prime Minister Modi lauded the first criticality of the Kalpakkam fast breeder reactor as a historic achievement and encouraged public participation in the upcoming Census 2027.

India's indigenously developed 500 MWe Prototype Fast Breeder Reactor at Kalpakkam has successfully attained criticality, marking a significant milestone towards full-scale power generation and enhancing the nation's energy independence.

India has reached a significant milestone in its nuclear energy program as the Prototype Fast Breeder Reactor at Kalpakkam successfully attained criticality, a step hailed by Prime Minister Modi.