This film was delayed it started after Love Story
The same makers who made the Vinod Khanna starrer Daulat than made Hum Hai Lajawaab.
Mohan Seghal's Hum Hai Lajawaab, Nasir Hussein's Zamane Ko Dilkhana Hai and Bhapie Sonie's Bade Dil Wale, all these 3 films had similar story line and incidently R.D.Burman was the music composer of all these 3 films.
The origional tittle of this was Pyar Pyar Pyar.
Film maker Mohan Seghal retired from filmaking after completing this film. Then after about 3 years made a comback and made Kasam Suhaag Ki, which was his last film.