'Kamal Haasan' filmed his scenes in 5 days.
First tamil film to be shot in Red One Digital camera
KamalHassan Daughter shruthi hassan sung title track of this film.
Inspired from 'a wednesday' (2008) a bollywood film by neeraj pandey starring naseeruddin shah and anupam kher in the lead roles.'a wednesday' was also adapted into a Sri Lankan movie called 'a common man' (2013) starring ben kingsley in the main role
The film's DI workflow supervisor worked on District 9 (2009), three of the DI colorists worked on 300 (2006), the VFX supervisor worked in Disney for 15 years, and Andrew Scott Dixon who did stunt coordination worked for several movies in Hollywood.