The film's prime antagonist played by Vidyut Jamwal is not given a name in the film.
During the film's final sequences, a bomb is triggered to explode in 15 minutes. From that scene to the scene where it's exploded, the actual time lapsed on screen is 15 minutes.
During the filming portion, Joseph Vijay himself filmed a scene with the assistance of cinematographer Santosh Sivan.
Vijay's father S. A. Chandrasekhar was to produce the film initially, before Kalaipuli S. Thanu took over the project.
The very famous line "I am waiting", is a direct inspiration from the movie Taken (2008).