This film was inspired by a true story.
Humko Deewana Kar Gaye is Katrina Kaif's first movie with Superstar Akshay Kumar
Salman Khan was to play Anil Kapoor's role but opted out.
Music of film was given by Anu Malik due to popularity of Himesh Reshamiya those days promotional song Tum Sansoon Main was recorded in his voice which also had music by him,
Raj Kanwar had told the media that film is based on real life couple who were engaged to different people before their marriage and has also shown them in one of the scenes in the film which was during a party celebration scene.