Rohit Dhiman is an Assistant Professor in the Electronics & Communication Engineering Department at NIT Hamirpur, India, and is the author/co-author of over 30 publications in international journals and conference proceedings. His main research interest is in device and circuit modelling for low power VLSI design.Rajeevan Chandel is Professor in the Electronics & Communication Engineering Department and Dean (Research & Consultancy) at the National Institute of Technology (NIT) Hamirpur, India. She has over 150 research papers in peer reviewed international journals and conferences. Her research interests are electronics circuit modelling and low power VLSI design.