[1] Department of Physics, School of Science and Humanities, Karunya University, Karunya Nagar, Coimbatore-641 114, Tamilnadu, India
[2] Department of Physics, SRM University, Kattankulathur-603 203, Tamilnadu, India
[3] Department of Physics, Annamalai University, Annamalai Nagar, 608 002, Tamilnadu, India
[4] Microwave Research Laboratory, Department of Physics, Dr. B. A. M. University, Aurangabad - 431 004, Maharashtra, India
[5] Department of Computer Science and Information Technology, Dr. B. A. M. University, Aurangabad - 431 004, Maharashtra, India