Dr. P. Karthikesan is working as Department of Commerce, Poompuhar College (Autonomous), Melaiyur, Mayiladuthurai District. Which affiliated to Bharathidasan University, Trichirappalli, Tamil Nadu. He had M.com, M.A., M.phil., and doctoral degree from Bharathidasan University. He had more than 13 years teaching experience. He has present research papers in National and and International level. He participated various induction programme, Refresh course, Short termprogramme and workshop etc.