Khamma Mara Veera / Rakshaa Bandhan (1976)
This bilingual (Hindi and Gujarati) is produced by 'Usha Production' - "Khamma Mara Veera [Gujarati]" / "Rakshaa Bandhan [Hindi]", released in 1976. The Gujarati version was more successful. The song "Poonam Ni Pyari Pyari Raat [Gujarati]" / "Poonam Ki Pyari Pyari Raat [Hindi]" is very popular till date.
More at Wikipedia.