Caste 520 India 100 Caste system 95 Dalits 92 Caste-India 76 History 74 Caste System 73 Social Sciences 73 Social conditions 71 Sociology 56 Social classes 52 Waste management 44 Dissertations, Academic (Ph.D) 39 Women 37 Castes 35 Caste System India 34 Hinduism 34 Economics 32 Politics and government 32 Tribes 32 Criticism 24 Hazardous wastes 24 Caste-based discrimination 23 Ethnology 23 Feminism 21 Philosophy 21 Waste water treatment 21 Web-based instruction 21 English literature 20 Social stratification 20