Devasuram is a 1993 Indian Malayalam-language drama film directed by I. V. Sasi and written by Ranjith. The film stars Mohanlal, Revathi, Nedumudi Venu, Innocent, Napoleon, V. K. Sreeraman, Manian Pillai Raju and Augustine. The songs featured in the film were composed by M. G. Radhakrishnan, while S. P. Venkatesh composed the original background score. The rivalry between Mangalassery Neelakantan and Mundakkal Shekaran forms the main theme of the film. The character Mangalaserry Neelakandan was created by Ranjith based on the real-life person Mullasserry Rajagopal. The film was one of the highest grossing Malayalam films of the 1990s and the story, dialogues, and characters have achieved cult status in Kerala. It is generally considered as one of the best films of Mohanlal's and I. V. Sasi's careers. The film ran for more than five months in the cinemas. It was followed by a sequel Ravanaprabhu, which was writer Ranjith's directional début.