is the Distinguished Research Fellow, and Director General, Indian Institute Of Sustainable Development (IISD), a Public Policy Think Tank and Scientific Research Institute at New Delhi, who is also a Leading Indian Sustainability Thought Leader. He is a well known Indian Policy Maker and Technocrat, who has worked with the Various Ministries and Planning Commission of Government Of India, United Nations Environment Program (UNEP) and the World Bank. He is a Member of National Strategic Knowledge Mission and National Steering Committee Member Of TIFAC. He represented India in International Climate Change Negotiations in UNFCCC and also Known as Chief Architect Of Indian Carbon Market.