Dr.D.R.P.Rajarathnam working as a Professor and Head in the Department of Mechatronics Engineering, Paavai Engineering College, Pachal, Namakkal. He received the B.E degree in Mechanical Engineering from Madras University, in 1999. He received his M.E Engineering Design from Anna University of Technology in 2012. He has 11 years of teaching experience. He had published more than 5 papers in National and International Conferences, also he published more than 20 papers in National and International Journals. In the year 2019, he had been awarded the Doctoral degree Ph.D. in Mechanical Engineering by Anna University.