The development of this film began is early 2013 when tiwari began writting screenplay before siging khan for the film.i like its music ( haaay DANGLE DANGLE haaaay DANGLE DANGLE) amir khan performance is in this films is one of the best father role and master piece.$1800 crore is his income and is not so small money its is one of the best movies abiut story and music etc dilogue(ap li laagta ha khai Baar hui ha HAWAA tight BHAi saab)