C.I.D. (Telugu: సి.ఐ.డి.) is a 1965 Telugu Drama film directed by Tapi Chanakya and produced by Vijaya Pictures.
Nataratna N. T. Rama Rao portrayed the C.I.D. Ravi character effectively. The film is the remake of MGR 's tamil blockbuster hit DHEIVA THAAI.
There are some melodious songs by Ghantasala Venkateswara Rao.
Rangadu (ANR) is called 'Poolarangadu', because of his purity of life. His father Veerayya is a manager at a mill, and is framed for the murder of one of the partners, Purushotham. He is sent to jail for a crime he didn't commit. Rangadu works hard to get his sister Padma educated. She marries a doctor, Prasad, who happens to be Purushotham's son. When he finds out she is Veerayya's daughter, he leaves her. Rangadu is enraged and beats the guy who informs Prasad. Rangadu is sent to jail. There he meets his father, learns about his innocence and vows to get him out. Once Rangadu is released, he earns the goodwill of the other two partners and finally exposes them. Veerayya is released, Rangadu marries his lover Venkata Laxmi (Jamuna) and Prasad takes Padma back.
Ramayya, Ranganatham and Venkayya are business partners. When they get huge profits, Ranganatham does not want to share it with his partners. So he murders Venkayya and puts the blame on Ramayya. Ramayya goes to jail, his wife dies and his children suffer at a relations' place. Aanand is their only supporter in that whole house for them.