A new song from the Shraddha Kapoor and Aditya Roy Kapur starrer 'OK Jaanu' has been released. The song has been sung by Arijit Singh, with music by AR Rahman and lyrics by Gulzar. The romantic drama film, which is a remake of Mani Ratnam's Tamil film 'OK Kanmani', is scheduled to release on January 13, 2017.