Atkan Chatkan Hindi Movie Is Streaming Online Watch on Zee5, Release Date 5th September 2020. Atkan Chatkan is a passion project of A.R. Rahman. It will be a musical about a group of friends (children) who love music. The caption of the poster released by A.R. Rahman says ‘The heartfelt story of Guddu & his friends is full of hopes, dreams & rhythmic beats.’ The music is composed by Drums Shivamani, while young 14 year old musician Lydian Nadhaswaram will debut in his first feature North Indian movie Cast: Amitriyaan, Lydian Nadhaswaram, Tanmay Chaturvedi and Steven Samuel. Streaming on Zee5.