Sunil Dutt's father was Diwan Raghunath Dutt and mother name was Kulwantidevi Dutt. When he was five years old, his father died. He then moved to Bombay ( Mumbai). He got a job at the city's BEST bus service. He graduated with B.A. in History in 1954.He also became radio announcer, He was very popular on the Hindi service of Radio Ceylon, the oldest radio station in South Asia. His first film was "Railway Platform(1955). Film director gave him new screen name "Sunil Dutt" to avoid name conflicts with the actor Balraj Sahni."