C.I.D. is a 1956 Indian Hindi film. Produced by Guru Dutt, it was directed by Raj Khosla. It stars Dev Anand, Shakila, Johnny Walker, K. N. Singh and Waheeda Rehman. The movie was a crime thriller and has Dev playing a police inspector investigating a case. The music is by O. P. Nayyar and the lyrics by Majrooh Sultanpuri and Jaan Nissar Akhtar.
A newspaper editor, Shrivastav, is killed when he was about to expose the underworld links of a very rich and influential person. C.I.D. Inspector Shekhar is assigned to this case, an investigation of which leads him to suspect Dharamdas and his men. But Dharamdas spins a web of lies and deceit, and Shekhar himself becomes a suspect, and is arrested by the police, and loses his job, leaving Dharamdas and his men to carry on undeterred.