Amaidhi Padai (transl. Peacekeeping Force) is a 1994 Indian Tamil-language political thriller film, written and directed by Manivannan. Sathyaraj played a dual role as father and son in the film, with Ranjitha playing the female lead. The story revolves around an ordinary man Amavasai who builds his political career through shortcuts and unethical means, while his son grows up to be an honest law enforcer. The film was followed by the sequel Nagaraja Cholan MA, MLA in 2013, with Sathyaraj returning as Amavasai. It went on to run more than 25 weeks and was declared a blockbuster. This film is touted as one of Sathyaraj's best performances and over years has developed a strong cult following.