After the course in Adayar Film Institute, he took up script writing with Odarathu Ammava Aalarayam directed by Priyadarshan. Sreenivasan started his film career with a role in P A Backer's Manimuzhakkam. Latter with directors Sathyan Anthikkadu and Priyadarshan as both actor and script writer in creating several comedies, which became huge successes.
The two films directed by Sreenivasan, Vadakkunokki yantram (1989) and Chintavistayaya Shyamala (1998) established his position as a director. Even while adopting the format of popular films, these films goes much beyond the stereotype comedies seen before in Malayalam. These dark comedies reflected the ridiculous conditions of the Malayalee middle class. Sreenivasan won several State awards as actor, script writer and director.