Writer-lyricist-actor-comedian Varun Grover, who is known for his works in films such as 'Gangs of Wasseypur', 'Masaan', 'Newton', 'Monica, O My Darling' and 'Sandeep Aur Pinky Faraar', has turned director with the film 'All India Rank', which recently had its world premiere at The International Film Festival Of Rotterdam (IFFR).