1. Department of Physics, Velumanoharan Arts and Science College for Women, Ramanathapuram, Tamil Nadu, India
2. Department of Physics, MannarThirumalai Naicker College, Pasumalai, Madurai, Tamil Nadu, India
3. Department of Bioinformatics, Cancer Genetics & Molecular Biology Laboratory, Science Campus, Alagappa University, Karaikudi, Tamil Nadu, India
4. Department of Physics, University College of Engineering Nagercoil, Anna University, Nagercoil, Tamil Nadu, India