Bollywood action star and film producer Vidyut Jammwal, whose latest release 'IB 71' has hit the screens, spoke about why patriotic films give a tough competition to genres such as action, romance and comedy.

National Award-winning filmmaker Sankalp Reddy shared that it was a seven-month phase of trial and error to nail the 1970s look for the upcoming spy thriller 'IB 71' starring Vidyut Jammwal.