The film was shot and completed in 1982. The film lay in the cans for 6 years.
The film was titled Karwat. The producer even released the LP and EP records of the film under that name. Mera Yaar Mera Dushman was chosen to cash in on Mithuns action image.
When the film was launched in 1978, Amol Palekar was signed. He was replaced by Raakesh Roshan.
The music at 1:40 for the song "Kaliram Ka Phat Gaya Dhol" from Barsaat Ke Ek Raat, was later inspiration for the song "Kabhi Khul Ke Mile" at 0:50 from the movie Mera Yaar Mera Dushman.