Raat Aur Din (lit. 'Night and Day') is a 1967 Indian Hindi-language psychological film directed by Satyen Bose. The leading actress, Nargis, won the distinguished National Film Award for Best Actress for her role as Varuna, a married woman who has dissociative identity disorder. By day, she is a typical Hindu homemaker, whilst at night she calls herself Peggy and walks the streets of Calcutta. The film won critical acclaim for its story and Nargis' performance as Varuna. Over the years it has developed a cult following. This film marked Nargis' final film appearance.