Bansi Chandragupta production designer Eugène Lourié and learned the craft of film designing. During the shooting of this movie, he met Satyajit Ray who asked him to join a group of film enthusiasts to form the Calcutta Film Society. Later, Ray asked Chandragupta to be set designer for his film "Pather Panchali". This collaboration sustained till "Shatranj Ke Khilari" (1977). Some of the best examples of Chandragupta's work are from the Ray films: "Pather Panchali", "Jalsaghar" and "Charulata". Apart from Ray's films, best works of Chandragupta's works are visible in "36 Chowringhee Lane" by Aparna Sen, "Umrao Jaan" by Muzzafar Ali and
The Apu Trilogy (including Best Human Document at the 1956 Cannes Film Festival), followed by eleven international prizes for "Aparajito" (including the Golden Lion at the Venice Film Festival) and numerous other awards for "Apur Sansar" (including the Sutherland Trophy at the London Film Festival). When Ray made "Pather Panchali", he worked with a cast and crew most of whom had never been previously involved in film. Ray himself at the time of directing "Pather Panchali" had primarily worked in the advertising industry, although he had served as assistant director on Jean Renoir's 1951 film "The River". From this foundation, Ray went on