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.

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 Monsoon Wedding (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.

Vinay Pathak originally auditioned for the role of Khurana.

Nikki is shown to be a huge fan of Vivek Oberoi from the very beginning as her room is adorned by the actor's posters.

Pravin Dabbas role was first offered to Tusshar Kapoor .

The film was delayed and released finally in 2006 due to financial issues.