Sources say that Kamal Hassan's one of the get-ups will be of Al-Qaeda terrorist. The shooting of the film is taking place at a specially erected set on Old Mahabalipuram Road. It adds that the actor could not be easily identified by commons because of his large untrimmed beard. His makeup will make him to look like a real terrorist.
Rahul Bose will also be seen as a terrorist. However, Kamal Hassan plays the role of an investigating officer, who is in the mission to unveil a murder mystery. The CBI head will be played by a woman, the role, which was offered to Sonakshi Sinha. It is said that Sameera Reddy is likely to feature in the character.