Rishi Kapoor replaced Vinod Khanna in this movie as Vinod Khanna had just came from America and his friend Raj Khosla was one of the first filmmaker to sign him . Vinod even shot for few days for Naqab but he could not concentrate on the film as his dates. It was then Vinod Khanna told Raj Khosla to take someone else. Rishi Kapoor then signed for the film.
Naqab is Filmaker Raj Khosla's last movie.
After Naqab filmaker Raj Khosla had announced a film tittled Khanabodosh with his Mera Gaon Mera Desh, actor Dharmendra, but the film could not be made. That makes Naqab Raj Khosla's last release.
Naqab is one of the best movie of Rishi Kapoor and Farah, the film was special and important for her.
The film was titled Parda when it was launched.