The song "Ringa Ringa" in this movie was filmed with more than 1000 dancers in the busy streets of Chennai.
In this film, there is a scene where actor Suriya will be donating blood in a hospital. For that scene, he really donated the blood to the blood bank.
This was the first Kollywood film to be shot in China.
For a few scenes of the movie, Suriya added more weight and lost his six pack. But due to his hard work, he regained his six packs within a week.
This was the first kollywood film to have a special premiere show.