1. School
of Chemistry, Shoolini University, Solan 173229, India
2. Department
of Bioinformatics/Biotechnology and Pharmacy, Jaypee University of Information Technology, Solan, India
3. Himachal Pradesh State Pollution Control Board, Shimla 171009, India
4. Department
of Chemistry, Himachal Pradesh University, Shimla 171005, India