PM Modi says the Kalpakkam Prototype Fast Breeder Reactor has attained criticality, marking a key step in Indias civil nuclear programme and future thorium use.

Prime Minister Narendra Modi
Prime Minister Narendra Modi on Monday said the indigenously designed and built Prototype Fast Breeder Reactor at Kalpakkam, Tamil Nadu, will be a step towards harnessing India’s thorium reserves.
In a post on X, PM Modi said: “Today, India takes a defining step in its civil nuclear journey, advancing the second stage of its nuclear programme. The indigenously designed and built Prototype Fast Breeder Reactor at Kalpakkam has attained criticality.”
He said that the advanced reactor, which is capable of producing more fuel than it consumes, reflects the depth of India’s scientific capability and the strength of our engineering enterprise.
“It is a decisive step towards harnessing our vast thorium reserves in the third stage of the programme,” he said while congratulating the scientists and engineers.
Union Home Minister Amit Shah congratulated the scientists and engineers in building the Prototype Fast Breeder Reactor.
“A giant stride towards global domination in power production, this facility will play a critical role in unlocking the power hidden in our vast thorium reserves and realizing Modi Ji’s vision of making India the world’s powerhouse,” he added.
April 06, 2026, 22:26 IST
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