Diwana is a 1967 Indian Bollywood film directed by Mahesh Kaul. The film stars Raj Kapoor, Saira Banu, Lalita Pawar in pivotal roles. The film made under the Anupam Chitra production banner had music by Shankar-Jaikishan with lyrics by Hasrat Jaipuri and Shailendra. Some songs are still popular like "Diwana mujhko log kahein ", "Jisne tumhe chand si surat", "hum to jate apne gaon " and "Tumhari bhi jai jai " .This film is also remembered for Kamal Kapoor strong performance as Raj Kapoor father.
Pyarelal (Raj Kapoor), a simple-minded and extremely naive young man, who was orphaned at birth, and now lives with Fatima (Lalita Pawar), a Muslim landlady who treats him like her son. Once, he sets on a journey and meets a young woman with whom he falls in love, Kamini Gupta (Saira Banu). Sir Mayadas (Kamal Kapoor), the person who brought her up happens to be Pyarelal's real father. All of a sudden, Pyarelal is arrested on the charge of murder. No one believes that a harmless man like him could commit a crime, let alone kill. However, Pyarelal openly admits in court that he is indeed guilty, and demands capital punishment for it. The reason he does that is unveiled after several secrets, later on.