Sanjay Dutt was originally to take the role of Inspector Vikran before he was dropped due to his drug addiction during the early years of his film career.
This project was delayed for 5 years, it delayed due to sunjay dutt's drug problem and Sunjay breakup with Tina. Rajiv Rai was told to choose either Sunjay or Tina. This film was supposed to be second film after Rocky. Madan Puri used the same gate up of Vidhaataa & Hero.
After a fight scene Jackie Shroff had to throw Anil Kapoor on table in front of Pran the scene was completed and after few days during the continuity the scene was to be continued with Pran. Anil Kapoor saw Jackie Shroff and Tina Munim not ready for the shot and shouted at them as it was to be a continuity scene.Jackie Shroff jokingly caught Anil Kapoor's collar and pushed him on the table they way he was to do in the scene.
Naeem Sha, the dialogue writer of this film created one of the most famous and popular phrases of Hindi Cinema "JHAKKAS". After the release of this film the word "JHAKKAS" later became the signature word of the famous actor Anil Kapoor in most of his event and show entries. It's even popular till today and is become a synonym for anything superb or fantastic.
When director Rajiv Rai first planned the film in 1981,Raj Kiran was to play the role of lawyer Avinash. Raj Kirans downfall at the boxoffice and delays in the film eventually made Rajiv Rai sign Anil Kapoor for the role.