47 Natkal (transl. 47 days) is a 1981 Indian Tamil-language drama film written and directed by K. Balachander. It was simultaneously made in Telugu as 47 Rojulu (transl. 47 days). The film stars Chiranjeevi, Jaya Prada and Anne Patricia. Based on the novel of the same name by Sivasankari, it revolves around Vaishali (Jaya Prada) and how her marriage to Kumar (Chiranjeevi) lasts only 47 days. The Tamil version was released on 17 July 1981 and the Telugu version on 3 September 1981.