Green sustainable homes

Green Rating for Integrated Habitat Assessment (GRIHA) is a national design evaluation rating system for buildings and its construction, operations, maintenance processes are ranked from the perspective of energy efficient technologies.


The construction developers/owners are to register their buildings online to get it rated under GRIHA benchmarks. The evaluation system has been designed by GRIHA expert evaluators, in compliance with Energy Conservation Building Code (ECBC), National Building Code 2005 (NBC) and Environment Impact Assessment. They are ranked on the basis of using renewable energy, recycled resources, rain water harvesting and other such techniques.

There are certain benefits for GRIHA certified building owners as getting 50% rebate on premium by developers, rebate on property tax for five years and 90% of registration fee refund if all conditions are met and finally GRIHA rated buildings are ensured to have 30-40% reduction in operation cost with negligible impact on project cost.

Till date, 108 projects with 10 crore square feet have registered with GRIHA. Under private institutions/corporations FORTIS Healthcare, Hindustan Unilever Limited (HUL), Welcomegroup were covered. Under national government institutions, Delhi Metro Rail Corporation (DMRC), Municipal Corporation of Delhi, Ministry of Health are some examples. In future, it plans to be involved in specific airport projects, small homes and educational campuses as well.

This case study was published in August 2011.

Download File