An Indian film director, cinematographer and screenwriter of the nation's film industry. In the 1930s and early 1940s, he worked with New Theatres, who made bilingual movies: in both Bengali and Hindi. Later, he moved to Bombay and directed under the banners of Bombay Talkies and Filmistan. The first use of playback singing in Indian films occurred in films directed by Bose in 1935: first in Bhagya Chakra, a Bengali film, and later the same year in its Hindi remake, Dhoop Chhaon. His most well-known work is Ganga Jamuna. Satyajit Ray was a nephew of Bose and worked under him in the movie Mashaal (1950), which was produced by Bombay Talkies. Bose also mentored Bimal Roy