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New Delhi (ABC Live): India's nuclear energy programme has entered a new phase. On 6 April 2026 at 8:25 PM, the 500 MWe Prototype Fast Breeder Reactor (PFBR) at Kalpakkam, Tamil Nadu, attained first criticality. The Department of Atomic Energy said the Atomic Energy Regulatory Board cleared the plant systems after a safety review. IGCAR designed the reactor, while BHAVINI built and commissioned it. (PIB) This is not a routine plant update. Instead, it marks one of the most important recent even ...Read More >

New Delhi: India crossed a defining threshold in its energy journey on the evening of April 6, 2026. The 500 MWe Prototype Fast Breeder Reactor -- commonly known as the PFBR -- achieved first criticality at 8:25 PM at the Kalpakkam nuclear facility in Tamil Nadu, confirming the start of a controlled fission chain reaction inside the reactor core. What First Criticality Means and Why It Matters First criticality is the moment a nuclear reactor sustains a controlled chain reaction for the first ...Read More >
NEW DELHI: In a big boost for India's civil nuclear energy production, the indigenously designed and built Prototype Fast Breeder Reactor (PFBR) at Kalpakkam in Tamil Nadu has attained criticality.Congratulating Indian scientists and engineers on the reactor attaining criticality, PM Narendra Modi posted on X, "Today, India takes a defining step in its civil nuclear journey, advancing the second stage of its nuclear programme."This advanced reactor, capable of producing more fuel than it consume ...Read More >
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