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.
May be the for the first time, the title of a hindi film is not shown in the beginning of the film but at the interval as a news paper headline. This was really the headline of Times of India after court acquitted the main culprits of the case as most of the witnesses of the murder lied in the court under political pressure and evidences were tampered with.
Manu Sharma's role is being played by a newcomer; his screen name is Manish Bhardwaj.