1. National Institute of Technology , Electrical Engineering , NITC Campus , Calicut , Kerala 673601, India
2. GSG , BHEL R&D; Hyderabad , Hyderabad , A.P. 500093 , India
3. HVE , Bharat Heavy Electricals Ltd Research and Development , Hyderabad , Telangana , India
4. Electrical Engineering , National Institute of Technology , Calicut , Kerala , India