The Prime Minister has said the nuclear crisis in Japan has underlined the need for revisiting strategies for safety of atomic plants . He said a thorough review by the Department of Atomic Energy has already been ordered by the government. Dr.Manmohan Singh was addressing the India Today Conclave in New Delhi today.In a related development the Nuclear Power Corporation of India Limited (NPCIL) said, it was undertaking a review of the safety measures at all the plant sites and would augment the same, if required. The corporation operates all the nuclear power plants in the country. NPCIL Chairman-cum-Managing Director S K Jain said today in Chennai, there would be no compromise on safety measures at any of the nuclear plants. At the same time, he pointed out that Indian nuclear power plants had successfully withstood the strongest earthquake at Bhuj in Gujarat and the devastating tsunami that hit parts of the southern coast in December 2004.He said the nuclear power plants being build at Kudankulam in Tamil Nadu had several additional safety measures that enable immediate shutdown of even in the absence of plant operators.