Indian Prime Minister Manmohan Singh said the troubles at a damaged nuclear plant in Japan ‘‘should make us revisit strategies for nuclear safety, learning lessons from these experiences.’’ –File Photo

NEW DELHI: Indian Prime Minister Manmohan Singh says the world needs to review the safety of nuclear energy after an earthquake and tsunami crippled reactors in Japan.

Singh already ordered a safety review this week of India’s 20 nuclear power plants. Speaking at a conference Friday he called for an examination of safety procedures for nuclear power.

He said the troubles at a damaged nuclear plant in Japan ‘‘should make us revisit strategies for nuclear safety, learning lessons from these experiences.’’

Workers at the plant have been fighting to prevent catastrophic radiation leaks from reactors at a plant in northeast Japan that was damaged by the earthquake and tsunami a week ago.