An article by Prof R. Vaidyanathan on how caste is a major social capital and has significantly contributed to India Growth story can be read here:-
http://prof-vaidyanathan.com/2012/10/18/india-growth-the-untold-story-caste-as-social-capital/
"Caste has played an important role in the consolidation of business and entrepreneurship in India particularly in the last fifty or so years. The economic development has taken place in the "India Uninc" or the partnership/proprietorship activities financed by domestic savings and facilitated by clusters and caste/community networks. Actually caste has been a major social capital in our growth process and it has not been adequately recognized. This paper explores the economic growth constituents and catalytic components. It also identifies the role of caste in the growth process among the emerging entrepreneurial groups...."