C.I.D. is a 1956 Indian crime thriller film directed by Raj Khosla and produced by Guru Dutt. It stars Dev Anand, Shakila, Johnny Walker, K. N. Singh and Waheeda Rehman. The film has Dev Anand playing a police inspector investigating a murder case. The music was given by O. P. Nayyar and the lyrics by Majrooh Sultanpuri and Jan Nisar Akhtar. It was Waheeda Rehman's screen debut, and future directors Pramod Chakravorty and Bhappi Sonie worked as assistant directors on this film. It is considered to be one of the "Best Thrillers to have ever come out of Hindi Cinema". Plot A newspaper editor, Shrivastav, is wounded when he was about to expose the underworld links of a rich and influential man. He calls over his friend, Inspector Shekhar, to talk to him about the threat he receives from the underworld. Srivastav dies by the time Shekhar arrives. He remembers that he saw a suspicious person by the elevator and borrows a woman's car to chase him. The woman throws a fit (and even throws the car keys in the mud when it is raining outside) and they lose the chase. In the morning, the two return home when they find the keys. Meanwhile, on the crime scene, petty pickpocket Master is found at scene and confesses to seeing the whole murder. Shekhar uncovers some of the gang, and Master identifies the killer Sher Singh, who is put in jail. Meanwhile, the woman Rekha turns out to be the daughter of the Chief of Police, and trust is formed. Shekhar is taken to the criminal's house in an attempt to bribe him to release the prisoner, but the attempt fails. The person who offers the bribe is Kamini. She spikes the drink offered to Shekhar, intoxicates him, and the gang leaves him on the street. He is found by Rekha, who brings him home. At Rekha's birthday party, Shekhar sees Kamini and follows her. Kamini turns out to be a childhood friend of Rekha. The mastermind, Dharamdas, now wants to incriminate Shekhar so that he can be clear of any fear. They take Master to a house and try to persuade him, but fail. The gang kills Sher Singh by sending their people to jail and frame Shekhar for it. This puts the blame on Shekhar for the two murders. He goes to trial and waits for the verdict the