7aum Arivu (pronunciation: "Ēḻām aṟivu") (English: "Seventh Sense") is a 2011 Indian science fiction-martial arts film written and directed by AR Murugadoss, featuring Suriya and Shruti Haasan in the lead roles and Johnny Tri Nguyen as the main antagonist. The film, produced by Udhayanidhi Stalin began production in May 2010 and was released on 25 October 2011 in Chennai and a day later, on Diwali, worldwide. The visual effects for the film were done by US based Legacy effects, making this their second Indian film after "Enthiran".