This was the last film of Hrishikesh Mukherjee with Amitabh Bachchan together.
remake of Uttam Kumar's Bengali classic Ami Se O Shakha (1975), which was also based on the Bengali story of the same name by Ashutosh Mukherjee.
Initially Rekha was cast opposite Amitabh but she later was replaced by Raakhee since Amitabh had stopped signing films with Rekha. When Danny dropped out Vinod Mehra was signed in for the role.
This was the second film of producer Debesh Ghosh, director Hrshikesh Mukherjee and Amitabh Bachchan together. The same team before had made Jurmana together and the same team were to make the 3rd film together, it was launched in 1982 and it was tittled ' Auqaat with Amiitabh Bachan, Jaya Pradha & Anita Raaj, but was then shelved due to Amitabh's accident on ' Coolie' sets.
Some scenes of Bemisal were shot in Kashmir valley like in Sonmarg, Pahalgam. Bemisal was one of the last films to be shot in Kashmir before the advent of militancy.