C.I.D. Nazir(1971)

After one of their elite officers Chandran (Raghavan) is brutally murdered, the CID force sends in their most elite officer Nazir (Prem Nazir) to investigate. He is in the crosshairs of a dangerous crime syndicate; but with the help of his trusted associate officer (Adoor Bhasi) the CID manages to tackle each obstacle thrown at them.