All the characters have fictitious names, except Sabrina Lall and her family.
Except Vidya Balan, Rani Mukerji, Shireesh Sharma and Rajesh Sharma, most actors in the movie are theater artistes.
There are almost 200 actors in the movie.
The character of the cop investigating the case is being played by Rajesh Sharma, who was a part of Khosla Ka Ghosla! (2006).
Kareena Kapoor was offered one of the main protagonist role but she rejects the offer due to her busy schedule.