Puthiya Niyamam is a 2016 Indian Malayalam-language action thriller film written and directed by A. K. Sajan. The film stars Mammootty and Nayanthara in the lead roles along with Baby Ananya, Sheelu Abraham, Rachana Narayanankutty, S. N. Swamy, Roshan Mathew, Anil K. Reji, Sendrayan, and Aju Varghese in supporting roles. It was released on 12 February 2016.