L.Unnikrishnan received the Bachelor of Technology degree (2007) from Mar Baselios college of Engineering and Technology, Thiruvananthapuram and the Masters from K.S.R college of Technology (2011), Erode. He has under gone quality improvement programme from IIT Bombay. He is currently working as Assistant Professor in Rajagiri School of Engineering and Technology, Kochi. He is currently doing Ph.D. at VIT University. His current research interest include Harmonics in power system, soft switching of converters used in industrial drives and control technique in motor drive system.