India subcontinent DNA Project (incl. India, Pakistan,Bangladesh,Nepal,Bhutan) - News

Genetic study finds caste system in ancient India began about 2,000 years ago

http://www.boston.com/news/science/blogs/science-in-mind/2013/08/09/genetic-study-finds-caste-system-ancient-india-began-about-years-ago/hu52rKxbmjJn3XUMNHS2LK/blog.html