1. St. Judes College, Thoothoor Department of Physics 629176 Kanyakumari Tamil Nadu India
2. Manonmaniam Sundaranar University, Abishekapatti 627012 Tirunelveli Tamil Nadu India
3. Manonmaniam Sundaranar University, Abishekapatti Department of Physics 627012 Tirunelveli Tamil Nadu India
4. Nanjil Catholic College of Arts and Science, Kaliyakkavilai Department of Physics 629153 Kanyakumari Tamil Nadu India
5. King Saud University Department of Chemistry, College of Science 11451 Riyadh Saudi Arabia
6. University of Manchester Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health Manchester UK