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