1. Meghnad Saha Institute of Technology,Department of Electrical Engineering,Kolkata,India,700150
2. National Institute of Technology Silchar,Department of Electrical Engineering,Silchar,Assam,India,788010
3. Raghunathpur Govt. Polytechnic,Department of Electrical Engineering,India
4. Jadavpur Univeristy,School of Material Science and Nano Technology,Kolkata,India,700032