Majority of Gair kanooni was shot in 1986. The film was then delayed until 1988 due to combination shots of Govinda and Sri Devi who were the two busiest stars of that era.
Last film of Pinchoo Kapoor when he was alive, he passed away a month later.
When Rajnikanth signed the film his role was intended to be a special appearance.
Shashi Kapoor and Govinda worked after Ilzaam and Farz Ki Jung.