Dr. P. Ranjithkumar holds an M.A., M.Phil., and Ph.D. from the School of Economics, Madurai Kamaraj University, Tamil Nadu. He is currently serving as an Assistant Professor (on contract) at Gandhigram Rural Institute (deemed to be university). Previously, he was an Assistant Professor at GTN Arts and Science College (Autonomous), Tamil Nadu. Dr. Ranjithkumar has published numerous research articles and presented papers at various national and international conferences and seminars, with expertise in Econometrics and Industrial Economics.