Amitabh Bachchan and Ayushmann Khurrana's film 'Gulabo Sitabo' releases on Amazon Prime Video on June 12. NDTV's Rohit Khilnani spoke to the film's director Shoojit Sircar about releasing the film on an OTT platform, Amitabh Bachchan and Ayushmann Khurrana's pairing & more.