1. Department of Physics, G.T.N. Arts College, Dindigul, Tamil Nadu, India
2. Department of Physics, N.M.S.S.V.N. College, Nagamalai, Madurai, Tamil Nadu, India
3. Cancer Informatics Laboratory, Department of Bioinformatics, Alagappa University, Science Campus, Karaikudi, Tamil Nadu, India
4. Department of Physics, Arulmigu Palaniandavar College of Arts and Science, Palani, Tamil Nadu, India
5. Department of Physics, Mannar Thirumalai Naicker College, Pasumalai, Madurai, Tamil Nadu, India