Mr Modi said "Today, India takes a defining step in its civil nuclear journey, advancing the second stage of its nuclear programme.""The indigenously designed and built Prototype Fast Breeder Reactor at Kalpakkam has attained criticality", he added."This advanced reactor, capable of producing more fuel than it consumes, reflects the depth of our scientific capability and the strengthof our engineering enterprise. It is a decisive step towards harnessing our vast thorium reserves in the third stage of the programme", the Prime Minister said and termed it as a proud moment for India and congratulted the scientists and engineers involved in the project.""A proud moment for India. Congratulations to our scientists and engineers", he added.The f...