Newtonin Moondram Vidhi (transl. Newton's third law) is a 2008 Tamil language action drama film directed by debutant Thai Muthuselvan, who earlier directed television series "Kaathu Karuppu" for Vijay TV. It stars S. J. Suryah, Rajiv Krishna, and Sayali Bhagat, while Yugendran, Sashikumar Subramani, Thalaivasal Vijay, and Chaams play supporting roles. The music was composed by Vinay with cinematography by Saravanan. It was released on 1 May 2009. As expected, the film made good business at the box office. This film is rated NC16 in Singapore. In India, it was received "A" certificate.