Member, Organising Committee. National Convention on "Indian Science and Technology after Liberalisation". Indian Science Writers Association, New Delhi, August, 1996.
Member, Organising Committee. National Seminar on "Conservation of Endangered Species and Ecosystems" Eco-Transformation Centre and Banaras Hindu University, Varanasi (December 5-7, 1996).
Member, Advisory Committee and Editorial Advisory Committee. National Symposium on Plant Diversity Pattern and Bioresource Technology. Eco Transformation Centre Gorakhpur (March 25-26, 1998).