Organizing Secretary, National Conference on Orchids: Systematics and Diversity Analysis for Conservation and Sustainable Utilization. The Orchid Society of India. G.B. Pant Institute of Himalayan Environment & Development, Kosi-Katarmal, Almora (March 19-21, 2010).
Chairman, International Conference on Challenging and Emerging Dimensions in Medicinal/ Herbal Plants and their products. A Global Perspective. Society for Conservation and Resource Development of Medicinal Plants. Chennai Trade Centre, Chennai (November 26-28, 2010).
