What is India’s caste system? caste systems What is India's caste system? (BBC News, 25 feb 2016) What is India's caste system? (BBC News) caste system "What is India's caste system?" What is India's caste system? (BBC News, 25 feb 2016) upper caste system caste-based discrimination is illegal What is India's caste system? (BBC News) What is India's caste system? Hindu castes http://www.bbc.com/news/world-asia-india-35650616 http://www.bbc.com/news/world-asia-india-35650616 What is India's caste system? (BBC News, Feb 25, 2016) 3,000 years What is India's caste system? http://www.bbc.com/news/world-asia-india-35650616 castes Caste System castes caste system Caste system What is India's caste system? (BBC News) Source bbc.com What is India’s caste system? BBC What is India's Caste System caste system http://www.bbc.com/news/world-asia-india-35650616 caste system BBC reports Hindu caste system lowest castes