Vikram's scenes in Goa were actually shot in Kerala and Mangalore.
The entire portion of the character David, played by Vikram was shot in Hindi and dubbed into Tamil, even though he is a Tamil actor.
Vinay Virmani dubbed his own lines in Hindi. Simultaneously, its his only Hindi film till date.
Director Bejoy Nambiar opted for 'Live Sound Sync' for many scenes to maintain the realism in many scenes. This was a challenge for the actors as they would have to remember the dialogues because the whole scene would have to be re- shot if they made a mistake. However in the Tamil version, Vikram's portion was not 'live sound' and was just dubbed.
Director Bejoy Nambiar opted for live sound sync for many scenes to maintain realism. This was a challenge for the actors because the whole scene would have to be re-shot if they made a mistake.