Ranbir Kapoor just started the promotion of his most waited movie (not awaited ) with the first song called Ullu Ka Pattha which is sung by Non other than Arijit Singh (Yes he's on fire). The other singer is Nikhita Gandhi but they actually promoting it by the name of Arijit singh. He's a big name nowdays. The music of the song is given by Pritam & Lyrics by Amitabh Bhattacharya. Its a long delayed movie due to lots of reasons. The movie stars Katrina kaif along with ranbir & will be releasing on 14th of july.