1. Natural Product Chemistry and Process Development Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur-176061, Himachal Pradesh, India
2. Academy of Scientific and Innovative Research, CSIR-IHBT, Palampur, Himachal Pradesh 176061, India
3. Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar 143005, Punjab, India