The film stars Rajesh Khanna, Sharmila Tagore and Raakhee in lead roles, with Madan Puri, Kader Khan, Prem Chopra and A. K.

On the way, owing to bad weather, they decide to spend a night at a bungalow owned by Sunil's boss.

Years later, Sonia, working as a school teacher and bringing up Sunil's and her son, finds out that her husband is still alive.

After escaping from the police van, Sunil met Chandni, whose lover had ditched her on learning of her pregnancy.

The soundtrack includes the following tracks, composed by Laxmikant Pyarelal, and with lyrics by Sahir Ludhianvi[6] 21st Filmfare Awards:[5] Won Nominated