His research interests include alpine ecology, conservation biology, indigenous knowledge systems, ethnobotany and medicinal aromatic plants.He studied life sciences at the Hemwati Nandan Bahuguna Garhwal University, Srinagar before completing a PhD on the ecology and conservation of the Valley of Flowers National Park at the Forest Research Institute (a deemed university), Dehradun.He has published over 185 research papers and articles and nine books including: The Valley of Flowers: Myth and Reality,[2] Medicinal Plants of Indian Trans-Himalaya,[3] Medicinal Plants of Uttarakhand,[4] and Ecology and Conservation of Valley of Flowers National Park.[19] He has served internationally recognized institutions well known for framing and implementing policies, including the National Medicinal Plants Board, the apex body of the Ministry of Health and Family Welfare, of India.[23] He has been awarded fellowships from the national and international institutions including the International Centre for Integrated Mountain Development, Nepal the Ministry of Environment and Forests, the Wildlife Institute of India, and the G. B. Pant Institute of Himalayan Environment and Development - for carrying out research on the ecology and biodiversity conservation in the various national parks, wildlife sanctuaries and biosphere reserves of the Indian Himalayas.