Edison’s Siddha Vaidyasala is housed in a building resembling a hermitage at Kesavadasapuram, popularly called as the gateway of Thiruvananthapuram city. The famous traditional Siddha house of Kerala, the Vaidyasala (hospital) offers traditional ayurvedic treatments prescribed in ancient Ayurveda books. It has impatient facilities for 20 patients, well equipped massage rooms and pharmacy units.