1. Department of Physics Acharya Nagarjuna University Nagarjuna Nagar AP India
2. Department of Physics Krishna University Machilipatnam Andhra Pradesh India
3. Faculty of Physics Opole University of Technology Opole Poland
4. Department of Physics Andhra Loyola Institute of Engineering & Technology Vijayawada India
5. Department of Chemistry SRM Institute of Science and Technology Kattankulathur India
6. Department of Physics Andhra Loyola College Vijayawada India