DG, The Energy and Resources Institute (TERI), Dr RK Pachauri Bharat Jagdeo, Former President Guyana, Montek Singh Ahluwalia, Dr Jason Eis, Deputy Director, Global Green Growth Institute, UK at the 13th Delhi Sustainable Development Summit, on the Global Challenge of Resource Efficient Growth and Development organised by teri in New Delhi, India on February 2, 2013. Photo Credit: Indian Photo Agency (InPA)