1. Department of Electrical Engineering, College of Engineering Trivandrum, APJ Abdul Kalam Technological University, Thiruvananthapuram, Kerala, India
2. Department of Electronics and Communication Engineering, College of Engineering Trivandrum, APJ Abdul Kalam Technological University, Thiruvananthapuram, Kerala, India
3. Amrita School of Artificial Intelligence, Amrita Vishwa Vidyapeetham, Coimbatore, India
4. Faculty of Engineering and Science, University of Agder, Kristiansand, Norway