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Prototype Fast Breeder Reactor at Kalpakkam attained criticality in 2026
Kalpakkam, Tamil Nadu15 Aug 2026
The article reports that the Prototype Fast Breeder Reactor (PFBR) at Kalpakkam, Tamil Nadu, attained criticality in 2026, as stated during India’s Independence Day address referenced in the report.
Why it matters
Criticality is a key technical milestone toward bringing a nuclear reactor into service and expanding domestic nuclear power capability.
Indira Gandhi Centre for Atomic Research (IGCAR)