The film was titled " Encounter" when the shooting started. Realizing that there was a Nasseruddin Shah film being made with that title, the makers opted for Gunnah.They chose Gunaah as they owned the rights the title. This was because Mukesh Bhatt produced the 1993 film Gunaah .
Aftab Shivdasani was signed for the lead but opted out.
Bipasha Basu replaced Malini Sharma in the film.
Bipasha Basu voice was dubbed in the film.
Remake of Out of Site.