Review on Green Buildings and Energy Efficiency

India is experiencing an incredible growth in the construction and real estate industry. Due to this rise in the construction sector raised many issues related to the environment and sustainability. As per economic policy forum, inits report mentioned that in India the energy consumption in buildings is for heating, ventilation and air Condition eraccounts for between 45% and 65% of total electricity consumption. Another study states that the construction sector of India emits about 22% of the total annual emission of CO2 which is very harmful for the Environment. So to handle the adverse situation a new and important concept is emerging in India that is Green Building. So this article gives you the understanding about the green buildings, How the green building get rating from the rating agencies, Importance of green buildings, and examples of some companies and organization that are taking the advantage of green wave and is flourishing. In this paper an analysis has given to compare between Normal buildings and Green buildings and its economical analysis.