1. Amato Alessia D., Corporate Social Responsibility and Sustainable Business, Centre For Creative Leadership, Greensboro, North Carolina.
2. Crowther Divid andGular Aras (2008), Corporate Social Responsibility, Book Boon, ISBN- 987-87-7681-415-1.
3. McWilliams, Abagail; Siegel, Donald (2001). "Corporate social responsibility: A theory of the firm perspective". Academy of Management Review 26: 117–127
4. Saether, Kim T.; Ruth V. Aguilera (2008), Corporate Social Responsibility in a Comparative Perspective, The Oxford Handbook of Corporate Social Responsibility. Oxford: Oxford University Press. ISBN 0-19-921159-0
5. E-resource visited:
6. http://www.delhimetrorail.com
7. http://www.mca.gov.in/
8. http://commerce.nic.in/eidb/default.asp