Amir Khan’s ‘PK’ turned out to be a stunning hit and raked box-office collections. However the film right from the beginning courted controversies. According to the latest short film maker Ullan complained to police that Amir used Thulla word against cops in the film and the same was used by Delhi CM Arvind Kejriwal. He said police booked case against Kejriwal and should apply the same law to Amir Khan. He handed over the DVD of PK to police and also proofs. Police booked case on Amir Khan after the proofs.