Nearly 28 years after Russia and India signed the agreement to set up the plant, Prime Minister Narendra Modi, Russian President Vladimir Putin and Tamil Nadu Chief Minister Jayalalithaa did the honours through a video conference organised from Moscow, Delhi, Chennai, and Kudankulam.

The 1,000-MWe KNPP-1 is the largest single unit of electrical power in India. “At Kudankulam alone, five more units of 1,000 MWe each are planned,” Mr. Modi said.