Kaththi Sandai Full Tamil Movie 2016 Watch Online Download Free. Kaththi Sandai (English: Sword Fight) is an Indian action masala film written and directed by Suraj. The film is produced by S. Nanthagopal. The film features Vishal and Tamannaah in the lead roles. Vadivelu, Jagapati Babu and Soori play pivotal roles. The project was launched in May 2016. The film released on 23 December 2016. It was dubbed and released simultaneously in Telugu as Okkadochadu.