The character of Anupam Kher in the movie was inspired by Rakesh Maria, a real life Mumbai cop.
The Hollywood film titled 'A Common Man' starring Ben Kingsley and Ben Cross is the official remake of this film.
The name of Naseeruddin Shah character is not revealed in whole movie and referred as the common man in credits also.
In 2013, a Sri Lankan Adaption named A Common Man (2013) was made.
This was Neeraj Pandey's first film as director.