SIERRA ODC building looks like any other IT office building from the outside.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sierra-odc-building-coimbatore-gets-world%E2%80%99s-second-highest-green-rating
[2] http://admin.indiaenvironmentportal.org.in/category/author/ln-revathy
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-line-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-buildings
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/leds
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy-efficiency
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environmental-health
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-management
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-management
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment