ABSTRACT. Buildings are tangible which can be used to reduce the climate change. It is something which we all share common. Building produces more green house gases than all other transportation combined. All this make way for the empowering sustainability of environment and by green building concept it can be achieved. The prominent and well known energy rating system for the structures are LEED, GRIHA etc.. are studied and compared below and extended its further application for the Sri Sairam Engineering college campus. The major part of rating for green building focuses on the economical use of electricity, water conservation measures, proper waste treatment. The rating we look here is the rating which includes CMO (construction, operation and maintaince) of the structure. As a conclusion in this project, the localized rating systems for green building in Chennai is developed withthe help of SBToolsand also the best rating system does the college can apply is suggested.