Member, Standing Committee on the Equitable Sharing of Benefits, Government of Madhya Pradesh, Bhopal
• Member, Implementation Monitoring Committee, Plastic Wastes Management Task Force,
• Ministry of Environment and Forests, Government of India.
• Member, Environment Pollution (Prevention and Control Authority for the National Capital Territory, Ministry of Environment and Forests, Government of India.
• Member, Steering Committee, India Water Partnership, New Delhi.
• Member, Sub-Committee on Education Channel, Prasar Bharati (Broadcasting Corporation of India), New Delhi
• Member, National Committee to Observe the 50th Anniversary of the Martyrdom of Mahatma Gandhi, New Delhi
• Member, Committee on Vehicular Pollution, Government of Delhi
• Member, Environment Action Plan Committee, Ministry of Environment and Forests, Government of India.
• Chairman, Advisory Group on Farmers, Trade Unions and NGOs, National Committee to Celebrate the 50th Anniversary of India’s Independence, Government of India, New Delhi.
• Visitor’s (President of India’s) nominee on the Selection Committee for the post of professor in Centre for Energy Studies and Centre for Rural Development and Technology, Indian Institute of Technology, Delhi
• Chairperson, Committee to assess the environmental impact of the jetty project of M/s Sanghi Industries in Kutch, Ministry of Environment and Forests, Government of India, New Delhi.
• Member, Implementation Committee, National Committee to Celebrate the 50th Anniversary of India’s Independence, Government of India, New Delhi.
• Member, National River Conservation Authority, Government of India, New Delhi
• Member, Working Group on the Prospects of Leasing out Degraded Forest Lands to the Private Enterpreneurs/Forest Corporations, Planning Commission, Government of India, New Delhi.
• Member, Standing Committee, National River Conservation Authority, Government of India, New Delhi
• Member, Development Advisory Council, Partners in Change, New Delhi
• Member, Working Group on the Framework Convention on Climate Change, Ministry of Environment and Forests, New Delhi
• Member, National Steering Committee for the Environment Sector in the Ninth Five Year Plan, Government of India.
• Member, National Committee to Celebrate the 50th Anniversary of India’s Independence, Government of India, New Delhi.
• Member, Task Force on Control of Air Pollution, Government of Delhi
• Member, Advisory Committee for Energy and Environment, Indira Gandhi Institute for Environment and Development, Bombay.
• Member, Working Group on Environment for the Ninth Five Year Plan, Planning Commission.
• Member, Working Group on Forestry for the Ninth Five Year Plan, Planning Commission.
• Member, National Environment Council, Government of India
• Member, Standing Committee on Environment, University Grants Commission, Ministry of Education, New Delhi
• Member, Committee for Selection of Swami Pranavananda Saraswati Award, University Grants Commission,
• Ministry of Education, New Delhi. Member, High Level Editorial Advisory Board, Biotech Consortium India Ltd., New Delhi
• President, Alumni Association, Indian Institute of Technology, Kanpur
• Member, National Afforestation and Ecodevelopment Board, Ministry of Environment and Forests, New Delhi
• Member, Expert Group to consider the issue of people’s participation in forest management, Ministry of Environment and Forests.
• Adviser, Asian Academy of Film and Television, New Delhi
• Member, Advisory Committee of NGOs for the Promotion of Non-Conventional Energy,
• Ministry of Non-Conventional Energy Sources, New Delhi
• Member, Award Committee, Indira Gandhi Paryavaran Prurashkar, Ministry of Environment and Forests, New Delhi.
• Member, Delhi State Council for Science and Technology, Government of Delhi, New Delhi.
• Honorary Editor, DOWN TO EARTH, a fortnightly newsmagazine on science, technology and environment, Society for Environmental Communications, New Delhi.
• Member of the Indian official delegation to the United Nations Conference on Environment and Development, Rio de Janeiro
• Vice-President, Alumni Association, Indian Institute of Technology, Kanpur.
• Member, National Wastelands Development Board, Ministry of Environment and Forests, New Delhi.
• Chairperson, Society for Environmental Communications, New Delhi
• Member, National Supporting Council, Chakriya Vikas Pranali, Palamu.
• Member, Haryana Afforestation Task Force, Government of Haryana, Chandigarh,
• Ministry of Environment and Forests, New Delhi.
• Member, Governing Board, Action for Food Production (AFPRO), New Delhi
• Member, Award Committee, Indira Gandhi Paryavaran Prurashkar, Ministry of Environment and Forests, New Delhi.
• Member, Executive Advisory Board, Ladakh 2000, Leh.
• Member, Policy Advisory Group on Wood Substitution, Ministry of Environment and Forests, New Delhi.
• Member, National Wastelands Development Board, Ministry of Environment and Forests, New Delhi
• Member, Board of Studies, School of Planning, Centre for Environmental Planning and Technology, Ahmedabad.
• Member, National Land Use and Conservation Board, Ministry of Agriculture, New Delhi
• Member, Advisory Board, Mud Village Society, New Delhi.
• Chairperson, Committee to assess suitability of a location of a gas-based fertiliser plant at Chauth-ka-Barwara near Sawai Madhopur, Ministry of Environment and Forests.
• Member, State Environment Protection Council, Government of Andhra Pradesh, Hyderabad.br/>
• Member, National Council for the Social Audit of Technology Missions, Government of India, New Delhi.
• Member, Study Team on Fuelwood and Fodder for the Eighth Plan, Planning Commission, Government of India.
• Member, Expert Committee appointed by the Supreme Court to rehabilitate miners displaced by closure of limestone quarries on environmental grounds
• Member, Steering Committee, Science and Technology Project on the Integrated Vector Control of Malaria
• Member, Committee on Content and Processes of Education, particularly at the school stage, Ministry of Education, New Delhi.
• Member, Management Committee, Gandhi Bhawan, University of Delhi, Delhi.
• Member, Organising Committee, Commemoration of 40th Anniversary of India’s independence and Pandit Jawaharlal Nehru Centenary, Cabinet Secretariat, Government of India, New Delhi.
• Member, Steering Committee, State of the World TV Series, University Grants Commission, New Delhi.
• Member, Regional Committee for the Northeastern Region, North Eastern Council,
• Ministry of Home Affairs, Shillong.
• Member, Research Advisory Committee, Institute of Social Studies Trust, New Delhi.
• Member, Board of Ecology and Environment, Government of Jammu and Kashmir, Srinagar
•Member, Group on Domestic Fuel Supply, Advisory Board on Energy, Government of India, New Delhi
• Consultant and Expert, Advisory Board on Energy, Government of India to develop plans for dealing with the cooking energy crisis
• Member, Technical Advisory Committee, Society for Promotion of Wastelands Development, New Delhi