This document provides information on green buildings, including what they are, their importance and objectives, various green building rating systems, and examples of green buildings in India. It defines a green building as one that uses less water and energy and generates less waste than a conventional building, while providing a healthier space. It discusses motivations for green building like environmental and economic benefits. It also outlines rating systems like LEED and GRIHA and the criteria they assess buildings on, such as energy efficiency, water efficiency, and indoor air quality. The document concludes by summarizing several existing green buildings in India and their green features.