At least six workers have been injured in an accident at Koodankulam nuclear power plant in India's southern state of Tamil Nadu, a plant official has said.
Hot water spilled from a valve during the repair work, the official said on Wednesday, adding that there was no leak of radiation.
The injured were carrying out maintenance work in the turbine building when the incident took place. After being given first aid on the spot, they were taken to hospital, said RS Sundar, the plant's site director.
India started pumping electricity from the Russian-built power plant for the first time last October after long delays.
The plant has faced local opposition for a quarter of a century and witnessed violent protests in 2012 by villagers who said it was a threat to their safety.
Hundreds of millions of Indians still live without power and factories suffer frequent blackouts - an embarrassment to the country's aspirations as an emerging economic powerhouse.