Lecturer in Physics, PSG College of Technology, Coimbatore (1957-59), Lecturer in Physics (1959-74), Professor and Head of the Undergraduate Physics Department (1974-88), Head of the Post Graduate Physics Department (1988-94), The American College, Madurai. After statutory retirement, Professor of Physics and Consultant in the Instruments Maintenance Lab, Aravind Eye Hospital and Post Graduate Institute of Ophthalmology, Madurai (1995-2013) and in between a graduate teaching assistant at University of Oregon, USA (1970-71) and Controller of Examinations, Bharathiar University, Coimbatore (1986-88) maintaining# 74), highest rank held: Captain, highest appointment held: for the NCC Battalions in Madurai whenever the regular CO were on leave or posted out on other duty. Had opportunities to train and present ceremonial Guards of Honor to the Shri Jag Jeevan Ram, Defense Minister of the country, Shri Bishnuram Medi Governor of Tamilnadu state and Thiru. Nedunchezhian, Pro Chancellor Madurai Kamaraj University, at the NCC Head Quarters in the city, at the American College and at Madurai Kamaraj University respectively.

I am interested only in the following (1) Instruments used in Ophthalmology - how they work (Physics involved), care and maintenance, equivalent instruments and processes. spareparts substitution (2) Common mistakes and misconceptions in use of instruments.