P. S. Raghavan is an Indian politician known for his contributions to the Indian National Congress. He has served in various capacities within the party and has been involved in regional politics, particularly in the state of Tamil Nadu. His political career has focused on issues related to development and social welfare. Raghavan has also held positions in the Indian Parliament, where he worked on legislative matters and public policy. His efforts have aimed at improving the lives of his constituents and addressing local concerns, making him a notable figure in his political landscape.