Babu

Directed by A. C. Tirulokchandar

With Rajesh Khanna, Hema Malini, Mala Sinha, Rati Agnihotri and Madan Puri

Babu is a naive young man who likes to go out of his way to help people. He has fallen in love with Kammo, but in the process of helping another, he lands himself in jail for two years. After his discharge, he finds that a lady who had once helped him is now a destitute widow with a small child, Pinky.