1. Department of Physics, Mahila Mahavidyalaya (MMV), Banaras Hindu University, Varanasi 221005, UP, India
2. Department of Physics, Banaras Hindu University, Varanasi 221005, UP, India
3. Department of Physics, CMP Degree College, University of Allahabad, Prayagraj 211002, UP, India
4. Department of Chemical and Product Safety, German Federal Institute of Risk Assessment (BfR) Maxdohrnstrasse 8-10, 10589 Berlin, Germany