OK Jaanu title track is the first lead single from movie which is a love story without marriage till their careers pull them apart. the song is sung by A r rahman along with Srinidhi Venkatesh. the movie is remake of tamil romantic drama ok kanmani released back in 2015 which was a huge hit there. They tried to remake the same music effect but they failed badly as the lyrics just ain't going with the flow of song. Directed by Shaad Ali Produced by Mani Ratnam, Hiroo Yash Johar, Karan Johar, & Apoorva Mehta.