Dr Kaarthig graduated from the International Medical University (IMU) and completed his housemanship at the Teluk Intan Hospital before moving to serve at Hospital Banting until recently. At Hospital Banting, he served as a medical officer in the field of Internal Medicine. He is an experienced doctor that was also trained in geriatrics, rehabilitative medicine, nephrology, cardiology, respiratory medicine, psychiatry and intensive care.
Dr Kaarthig has been part of numerous health talks and have organised seminars and update courses for hospitals in Malaysia on a state and district level.
Dr Kaarthig is currently practising at DTAP Clinic @ KL Eco City in Kuala Lumpur, Malaysia.