Dr. V. Shanta - Graduated in 1955, renowned oncologist and former Chairperson of Adyar Cancer Institute, awarded the Padma Shri and Padma Bhushan.
Dr. Mohan Rajan - Graduated in 1980, prominent cardiologist and founder of the Mohan Rajan Heart Institute, known for his contributions to cardiac care in Tamil Nadu.
Dr. S. Somasundaram - Graduated in 1975, distinguished neurosurgeon and former head of the Department of Neurosurgery at Tamil Nadu Dr. M.G.R. Medical University, recognized for his work in neurology.
Dr. K. S. Radhakrishnan - Graduated in 1990, leading gastroenterologist and researcher at the Institute of Gastroenterology, Tamil Nadu Dr. M.G.R. Medical University, noted for his research in digestive diseases.