Dr. T. Rajendran, Ph.D.,
Makeit Technologies (Center for Industrial Research),
90, SPM Complex, Housing Unit, Koundampalayam,
Coimbatore, Tamilnadu, India. (Email: icacgea22@makeittech.in)

Dr. S. Saira Banu, Ph.D.,
Department of Physcics,
Faculty of Arts, Science and Humanities,
Karpagam Academy of Higher Education (Deemed to be University),
Coimbatore, Tamilnadu, India.