1. Department of Chemistry, Hemvati Nandan Bahuguna Garhwal University, BGR Campus Pauri, (Garhwal) 246001, Uttarakhand, India.
2. Department of Chemistry, Bal Ganga Maha Vidhyalaya, Sendul Kemar, Tehri Garhwal. Uttarakhand, India.
3. Department of Chemistry, D.A.V. PG College, Dehradun, Uttarakhand, India.
4. Department of Chemistry, Faculty of Science, Motherhood University, District- Haridwar, 247661 Uttrakhand India.
5. Department of Botany, Cluster University of Jammu, 180001 Jammu and Kashmir, India.