Raja Aur Rana is an action-comedy drama. The movie follows the story of an honest and diligent police officer, Ranbir Singh (Pran), who captures a notorious criminal, Teja (Ajit), and puts him behind the bars. Later, Teja escapes from the jail and kills Ranbir’s son. Ranbir is left heartbroken; however, his colleague and friend, Inspector Rajinder (Ashok Kumar), consoles him. Later, Ranbir and Rajinder decide to go undercover as Raja and Rana to capture Teja and set scores right with him. Will the two succeed in their mission, and finally get Teja the punishment he deserves?