The Prime Minister, Dr. Manmohan Singh today congratulated the Chairman of the Atomic Energy Commission and all scientists, technicians and officials upon the crossing of a significant milestone when the Fourth Reactor of the Tarapore Plant (TAPP-4) attained criticality. This 540 MW plant will be the largest indigenously-built pressurized heavy water reactor in India.

The Prime Minister described this development as an important step in our quest to attain energy security through the use of nuclear power for peaceful purposes.