Directed by Sanjay Gadhavi ; written -LRB- in Hindi , with English subtitles -RRB- by Vijay Krishna Acharya , based on a story by Aditya Chopra ; directors of photography , Nirav Shah and Vikas Shivraman ; edited by Rameshwar S. Bhagat ; music by Pritam Chakraborty ; choreography by Vaibhavi Merchant and Shaimak Davar ; produced by Mr. Chopra ; released by Yash Raj Films .