1. Department of Chemistry, School of Basic and Applied Sciences, Maharaja Agrasen University, Solan, (HP) 174103, India
2. School of Sciences, Baddi University of Emerging Sciences and Technology, (BUEST), Solan, Himachal Pradesh 173205, India
3. Centre of Excellence in nanotechnology, Maharaja Agrasen University, Atal Shiksha Kunj, Solan, (HP) 174103, India