The first letters of the four lead characters in the movie (in Hindi) are the source for the title of the movie. i.e. Gopal, Laxman, Madhav, Lucky.
Ajay's bike stunt is a tribute to his bike stunt from Phool Aur Kaante.
The film marked Ajay Devgan's comeback to comedy films.
Dino Morea was the original choice for Tusshar Kapoor's role.
The story of the movie is based on the Gujarati play "Aflatoon" by Mihir Bhuta and Neeraj Vora which was adapted from Harsh Shivsharan's original Marathi play "Ghar-Ghar".