1. Department of Physics, Mar Ivanios College, (Research Center, University of Kerala), Thiruvananthapuram, India
2. Department of Physics, St. John’s College, Anchal, India
3. Department of Chemistry, Faculty of Science, University of Kragujevac, Kragujevac, Serbia
4. Kerala Fire and Rescue Services, Thiruvanathapuram, India
5. Mahathma Gandhi College, Thiruvanathapuram, India