New Delhi, April 26 -- Prime Minister Narendra Modi on Sunday congratulated the scientists for achieving 'first criticality' at the Prototype Fast Breeder Nuclear Reactor at Kalpakkam in Tamil Nadu, terming the accomplishment as a "historic milestone"

In the 133rd episode of his radio show Mann Ki Baat, PM Modi, celebrating this feat, noted that the nuclear reactor is built with entirely indigenous technology, stating that this will give new energy to our resolve of Viksit Bharat.

"A few days back, our Nuclear Scientists brought glory to India through a major achievement. In Tamil Nadu's Kalpakkam, the Fast Breeder Reactor has achieved Criticality. This is a stage in which the reactor achieves success in a self-sustaining nuclear reacti...