Renjith is one of the most successful screen writer and film director in Malayalam cinema. He is most famous for scripting films such as Devasuram , Aaram Thamburan and Narashimham. His directional debut was Ravanaprabhu, the sequel to Devasuram, in 2001. His other films include Nandanam, Mizhi Randilum, Black, Kaiyoppu, and Thirakkatha.
Renjith graduated from School of Drama in 1985. Two years later his first Malayalam film was released Oru May Masapulariryil. After that he worked in a lot of films with Directors like Kamal, Shaji Kailas, Sibi Malayil, Viji Thampi, etc... But when he wrote the script for Devasuram it brought about a new trend in Malayalam Cinema and the audience experienced a new face of heroism.
Mangalasherry Neelakantan, the hero of Devasuram still remains vividly in the minds and hearts of Malayalis. Mohanlal, one of the most gifted actors in Indian cinema made this character remarkable in Celluloid. After the success of Devasuram he joined hands with Shaji Kailas and Mohanlal to produce films like Aaram Thampuran and Narasimham. Both these movies went on to become mega hits. Narasimham broke all the collection records.The script of Aaram thamburan remains as the one of the best film scripts in Malayalam Cinema. Renjith's script ,Shaji Kailas's Direction and Mohanlal’s acting made the movie a super duper hit!!.
After the huge success as a script writer he turned to direction. His first directorial venture Ravanaprabhu), won the award as the most popular film of that year. After the huge success of Ravanaprabhu he directed the film Nandanam. He got a lot of appreciation for this film. This film satisfied the rules of commercial and art cinema. Presently he is working with Mammooty, another megastar in his own rights. He has recently acted in a movie named Gulmohar after a long time. He is trying out his acting skills again in this new movie with Meenu Mathew which is a new face in Malayalam Cinema.