Directed by Kunal Kohli ; written -LRB- in Hindi , with English subtitles -RRB- by Shibani Bathija ; director of photography , Ravi K. Chandran ; edited by Ritish Soni ; music by Jatin-Lalit , with lyrics by Prasoon Joshi ; choreography by Saroj Khan and Vaibhavi Merchant ; art director , Nitish Roy ; produced by Aditya Chopra ; released by Yash Raj Films .