"Happy New Year to everybody. May 2018 bring laughter, friendship and prosperity to all our families, to our country, and to our unique and beautiful planet #PresidentKovind," Kovind said in a tweet.
Modi also extended his New Year greetings to the nation.
"Wishing you all a happy 2018! I pray that this year brings joy, prosperity and good health in everyone's lives," he said in a tweet.