Education Social Sciences 398 Philosophy 172 History 166 Teaching 102 Research 98 India 93 Finance 54 Tribes 47 Educational sociology 46 United States 44 Agriculture 43 Scheduled tribes 43 Communication 42 Population 42 Politics and government 40 Psychology 40 Rural development 40 Education and state 39 Untouchables 39 Social aspects 38 Special education 38 Tourist trade 37 Educational Psychology 36 Industries 36 Language and literature 36 Non-governmental organizations 36 Transportation 36 Wildlife management 36 Urbanization 35