Agni Natchathiram is a 1988 Indian Tamil action-drama film directed by Mani Ratnam. The film is about two half-brothers who come into conflict with each other in their claim for legitimacy as sons of a common father. Prabhu and Karthik played the lead roles. The film’s score and soundtrack composed by Ilaiyaraaja was well received. The film was a blockbuster and completed a 200-day run at the box office.