1.http://www.pnl.gov/main/publications/external/technical_reports/PNNL-19369.pdf
2. https://en.wikipedia.org/wiki/Construction_industry_of_India#cite_note-1
3. http://www.indianmirror.com/indian-industries/construction.html
4.http://www.businesswire.com/news/home/20160919005979/en/Global-Construction-Industry-Growth-5.5-Trends-Forecast
5.https://igbc.in/igbc/redirectHtml.htm?redVal=showAboutusnosign&id=about-content
6. https://igbc.in/igbc/redirectHtml.htm?redVal=showGreenNewBuildingsnosign
7. https://en.wikipedia.org/wiki/Green_building_in_India
8. grihaindia.org
9. www.firstpost.com › Business News
10. https://igbc.in/