Deewana Mastana is a 1997 Bollywood romantic comedy directed by David Dhawan. The film stars Juhi Chawla, Anil Kapoor and Govinda in pivotal roles. Johnny Lever, Anupam Kher, Reema Lagoo, Shakti Kapoor, Saeed Jaffrey, Kader Khan have supporting roles, while Salman Khan makes a special appearance. This film borrows some elements from the 1991 Hollywood comedy, What About Bob?. Johnny Lever received the Filmfare award for Best Comedian for his performance on this film. The film was a success upon its release.The story thread was from the sathyan Anthikad Malayalam movie Kinnaram released in 1983.
Raja is a minor league crook who sells railway tickets on the black market at Amirpur Station. Tired of his job he looks for new ways to make a quick buck. One day, along with his friend Ghafoor Johny Lever and a police inspector Avtar Gill, he robs Rs 2.5 million from the railway treasury. Later, Raja and Ghafoor bump off the inspector and run away with the loot to Bombay.At Bombay airport, Raja sets eyes on psychiatrist Dr Neha Juhi Chawla and promptly falls in love with her. Raja and Ghafoor quickly find out where she lives. Ghafoor pretends to be a psychiatric patient while Raja takes on the name Raj Kumar and befriends her, telling her he has just returned from the U.S. However, Ghafoor cautions Raja not to hurry and be patient in matters of love. ........
Source: Wikipedia