Filmmaker Hansal Mehta drama film "Omerta", starring Rajkummar Rao, has been locked for release on April 20. "Omerta" is based on the real life story of British terrorist of Pakistani descent Ahmed Omar Saeed Sheikh. Rajkummar, sports a bespectacled and heavily bearded look in the film. "Omerta" marks the return of the formidable actor-director team of Hansal Mehta and Rajkummar, who have worked together in films like "Aligarh", "CityLights" and "Shahid". The film has won several accolades and was featured at the Toronto International Film Festival. It was also screened at the Jio MAMI Film Festival