The story revolves round a 13 yr previous Guddu who works as a helper at a tea stall. His father, an ex musician is a penniless alcoholic, and his mom a singer has deserted the household. Due to this fact, he has to take the accountability of his household at a young age. Music is his ardour, he loves to watch, hear and create new tunes. On his every day chai supply visits, he watches a marriage band follow keenly, utterly dropping the sense of time. He has a need to hitch the band sooner or later. Together with Guddu, the movie additionally tells the story of different road youngsters who work close to Guddu’s tea stall. Someday whereas wandering within the metropolis, they arrive throughout a carnival the place they see an orchestra performing for cash which conjures up them to kind their very own band. Atkan Chatkan reveals the desires of thousands and thousands of younger youngsters who shouldn't have the means however solely a burning ardour that wants cautious nurturing to develop and achieve life.