Mahasamudram will be Mohanlal`s only release for Onam 2006. The film started its shoot in February. A major portion of this movie has been completed. The final schedule will start from May 22nd. Dr.S.Janaradhanan is the director of this movie. Suresh Kumar of Revathy Kalamandir is producing this movie. Mohanlal plays the role of a fisherman and this is the first time in his career he is carrying fishing nets. Visual effects have been used in this movie. Others in cast are Rahman, Laila and Jagadheesh. His Keerthi Chakra will make it to the marquee just before Onam. Let`s wait and watch how Lal`s Pre-Onam and Post-Onam will turn out to be.