Scheduled tribes Tribes 47 Education 43 Politics and government 42 Rural development 42 History 40 Untouchables 38 Agriculture 37 Population 37 Communication 36 Finance 36 Industries 36 Language and literature 36 Non-governmental organizations 36 Transportation 36 Wildlife management 36 Tourist trade 35 Urbanization 35 Social conditions 18 Economic conditions 14 Government policy 12 India 11 Caste 9 Social life and customs 7 Dalits 6 Legal status, laws, etc 5 Ethnology 4 People with social disabilities 4 Social aspects 4 Kerala 3