January 16, 2012. India would face serious challenges in energy security if business continued in the inefficient manner as it is being conducted at present, TERI chief R K Pachauri said. He said that India would run into problem, not in physical supply of energy but costs which would be extremely unbearable, Pachauri said at an event on the rating system of buildings in West Bengal in association with Credai. Pachauri said that TERI, a research body, had intimated the government about the challenges in energy security. Stressing upon the need to set up green buildings for conservation of energy, he said that TERI had introduced the Green Rating System for Buildings for developers. He said that if the demand for power from buildings went down, then demand for capital for generating additional capacity would also go down. Pachauri also stressed the importance of efficient management of energy resources and more use of renewable sources of energy.