1. Faculty of Pharmaceutical Science, Assam down town University, Guwahati, Assam, India
2. Department of Pharmaceutical Chemistry, Global College of Pharmaceutical Technology, Krishnanagar, West Bengal, India
3. Sikkim Himalayan Regional Centre, Botanical Survey of India, Gangtok, Sikkim, India
4. Department of Pharmacology, Global College of Pharmaceutical Technology, Krishnanagar, West Bengal, India