"Raat Aur Din" is a classic Hindi film released in 1967, directed by Satyajit Ray. The story revolves around a woman named Nirmala, who leads a dual life—one as a devoted wife during the day and another as a carefree woman at night. This contrast highlights the struggles and complexities of her character. The film features notable performances by Nutan, who plays the lead role, and Raj Kumar. It explores themes of identity, societal expectations, and the quest for personal freedom. "Raat Aur Din" is celebrated for its engaging narrative and strong character development, making it a significant work in Indian cinema.