Saithan (English: Satan) is a 2016 Indian Tamil psychological thriller film written and directed by Pradeep Krishnamoorthy. The film features Vijay Antony and Arundhathi Nair in the lead roles and began production during January 2016. The release date was postponed due to demonetization policy of Government policy, but has since been announced for 2 December 2016. There have been reports that the story was adapted from the novel “Aaah”, written by the late writer Sujatha Rangarajan. The film is set for a release on 1 December 2016 along with the dubbed Telugu version.