Actor Sushant Singh Rajput has quit smoking in the New Year!

He says he can "no longer can be friends" with cigarettes, which he once called his "best friend".

"I thought you were my best, coolest friend and I wanted you all the time, but the payback you ask for is immense and we can no longer be friends. #quitsmoking"," Sushant tweeted.

Meanwhile, he's gearing up for the upcoming film "M.S. Dhoni: The Untold Story", in which he will essay India's World Cup-winning captain Mahendra Singh Dhoni. The Neeraj Pandey directorial will hit the screens on September 2.