According to the text of the decree published on the government's official website on Friday, R S Sundar was awarded "for major contribution to the implementation of the NPP "Kudankulam" project".
The Kudankulam NPP is being built with Russian technical assistance under the inter-governmental agreement signed in 1988. In 2014, Russia and India signed a general framework agreement for construction of the second stage, including the third and fourth blocks.
The Order of Friendship was established in 1994 to reward foreign citizens for special merit in promoting peace, friendship, cooperation and understanding between nations.