1. CSIR-Central Institute of Medicinal and Aromatic Plants; Research Centre Pantnagar, Udham Singh Nagar; Uttarakhand India
2. Department of Chemistry, MB Govt PG College Haldwani; Kumaun University Nainital; Uttarakhand India
3. CSIR-Central Institute of Medicinal and Aromatic Plants; Lucknow Uttar Pradesh India
4. Botanical Survey of India-APRC, Senki View; Itanagar Arunachal Pradesh India