The film was started in 1978 and ran into several problems. First the film was delayed due to financial problems. Then Vinod Khanna left India in 1981 to join Rajneesh in America. Upon arrival back in India, Vinod Khanna helped the producers by completing the film. Many physical differences are noticeable in the characters over the years
Film was previously titled " Aaj Raat Ko" . The LP Vynl record was even released under this name. But due to the film being in production for so long the producers changed the the title to give it a fresh feel.
Director s.ramanathan of bombay to goa, devta, dial 100, mahaan, zamanat etc was making this film, which started during b.r.chopra's zameer. At that time the film was called ' aaj raat ko ' the film was nearly complete and due to some problems the film was shelved. When vinod khanna returned from u.s.a. in 1985, then the film was revived and completed with a different tittle faisla.
The film was titled "Do Beimaan" when it was launched in 1974.
Vinod Khanna, Bobby Deol film "Kranti" was originally titled "Faisla -Decision on The Spot".