Main Point :Initially Suriya was reported to play three characters; a circus artist,a scientist and a Buddhist monk, set in China in the 14th century.However, later reports denied the presence of a scientist in the film, with Vietnamese actor Johnny Tri Nguyen being signed to play the antagonist,and Kannada actor Avinash being chosen for the role of Suriya's father,A group of 1000 junior artists were alloted for a song which claimed to be the highlight of the film. A stunt sequence which involved shooting at Binny Mills at Perambur, Chennai forced the hero take a 3 day rest due to an ankle injury. The first schedule of the film was completed in China, and afterwards a shot was taken in the Ampa Skywalk Mall in Chennai with another one in Besant Nagar, a zone in Chennai. Suriya trained to get a six pack abs for a Kung Fu sequence within 16 days, following cinematographer Ravi K. Chandran's request.

 Sources claimed that the film drew inspirations from Christopher Nolan's Inception. However, the director dismissed the news, reasoning that he had begun shooting much before the release of Inception. Murugadoss further denied reports that the film was a remake of the Bollywood flick Chandni Chowk to China, as both were supposed to be set in China, and that the film's concept was similar to that of the Hollywood film Perfume, confirming the script as original.