India's fast breeder reactor reached criticality, advancing nuclear energy goals.

India's Prototype Fast Breeder Reactor at Kalpakkam has achieved criticality, marking a major milestone in the nation's civil nuclear program. Prime Minister Narendra Modi hailed the achievement as a defining step, praising the indigenous design and its ability to produce more fuel than it consumes. This development is crucial for India's long-term energy security, particularly in utilizing the country's vast thorium reserves to power the nation for decades.