A Giant Leap in India's Nuclear Journey On 6th April, India’s Prototype Fast Breeder Reactor (PFBR) at Kalpakkam in Tamil Nadu attained criticality. It is a significant advancement towards our much-dreamt-of three-stage nuclear program. With this achievement, we move closer to realizing the full potential envisaged under Homi Bhabha’s three-stage nuclear program.   https://www.boloji.com/articles/55434/a-giant-leap-in-indias-nuclear-journey