1 Ex. Captain, Army Medical Corps, Director, Sri Santhanakrishna Padmavathi Health Care and Research Foundation, Chennai, Addl. Prof. Neurosurgery (Retd.) and Neurosurgeon, Institute of Neurology, Chennai Emeritus Medical Scientist (Indian Council for Medical Research) Hony. Consultant Neurosurgeon, Tirumala Tirupati Devasthanam, India.