Acknowledgment
All the authors are contributed equaly. The corresponding authos is Dr Amruth Ramesh Thelkar, Assistant Professor G-III, Department of Electrical & Electronics Engineering, Nitte Meenakshi Institute of Technology, Bangalore, Karnataka, India, (An Autonomous Institution Affiliated to Visvesvaraya Technological University, Belagavi and approved by UGC), and Visting Researcher, Faculty of Electrical & Computer Engineering, Jimma Institute of Technology,Jimma University, Ethiopia.