To make Boman Irani (a Parsi) understand the character of a Punjabi property dealer better, the director showed him the real footage (captured on hidden cameras) of how Delhi property dealers behaved .
The role of Mr.Khosla was first offered to Paresh Rawal, but he turned it down. The role later went to Anupam Kher.
Pravin Dabbas role was first offered to Tusshar Kapoor .
Cherry ('Parvin Dabbas') wears an IIT t-shirt once in the film, though never shown in the movie whether he studied there or not. In Um Casamento à Indiana (2001), Parvin Dabbas's previous film, he tells his fiancé at a tea shop that he used to come there during the days he studied at IIT, both films being set in New Delhi.