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
Calcutta Film Society European films. The society also started a bulletin designed by Ray, and several of his article were later published in the book, "Our Films, Their Films" (1972). Noted film personalities were invited to speak at the society which they did on several occasions, including Russian actor, Nikolay Cherkasov, directors Jean Renoir, John Huston. Ray later recounted his meeting with Renoir as an important turning point in shaping his cinematic vision of his first film, "Pather Panchali" which he explained to Renoir when he was visiting India to look for locations for his film "The River", in which Ray assisted Renoir.