1. Department of Chemistry, University of Petroleum and Energy Studies (UPES), Bidholi, Dehradun-248007, Uttarakhand, India
2. Department of Chemistry, School of Physical Sciences, Doon University, Dehradun-248001, Uttarakhand, India
3. Department of Chemistry, Mahamana Malviya College Khekra (Baghpat), C.C.S. University Meerut, Uttar Pradesh, India