While the cast were shooting in Canada, a newspaper published an article accusing Sanjay Dutt of being a terrorist. Whether the article was a genuine claim or was done to promote circulation is not known, but it distressed Dutt so much that he canceled everything and flew back home - thus losing five days' work.
When Sanjay Dutt and all come to leave Abhishek and Zayed in the airport, When Abhishek goes to smoke he is clean shaved, but in the end when they show the scene again he has beard.
In most of the film, Suneil Shetty has short hair but suddenly in several portions of the climax he has long hair, which the director tries to hide by shooting his scenes in extreme close ups