Tribes 346 Scheduled tribes 118 India 82 Education 54 Politics and government 48 History 47 Rural development 46 Social conditions 43 Agriculture 41 Tribes-India 39 Untouchables 39 Non-governmental organizations 38 Population 38 Economic conditions 37 Scheduled tribes in India 37 Communication 36 Finance 36 Industries 36 Language and literature 36 Transportation 36 Wildlife management 36 Tourist trade 35 Urbanization 35 Sociology 33 Social Sciences 32 Tribal sociology 31 Caste 26 Ethnology 24 Government policy 22 Tribal development 22