OK Jaanu is an Indian romantic drama film directed by Shaad Ali
and produced by Mani Ratnam
and Karan Johar
under their banners Madras Talkies and Dharma Productions respectively. It is an official remake of Mani Ratnam
's Tamil film OK Kanmani starring Dulquer Salmaan and Nithya Menen. The film stars Aditya Roy Kapur
and Shraddha Kapoor
in the lead roles, portraying a young couple in a live-in relationship in Mumbai with Naseeruddin Shah
and Leela Samson play supporting roles as an older couple in the film, portraying the younger couple's landlords. A. R. Rahman will compose the film's score and soundtrack while Gulzar is the dialogue writer of this film.