1. Department of Electrical Engineering, Cooch Behar Government Engineering College, Harinchawra, Ghughumari, Cooch Behar, West Bengal 736170, India
2. Department of Electronics and Communication Engineering, Cooch Behar Government Engineering College, Harinchawra, Ghughumari, Cooch Behar, West Bengal 736170, India
3. Department of Electronics and Communication Engineering, National Institute of Science and Technology, Berhampur, Odisha 761008, India