Education Social Sciences 428 Philosophy 174 History 167 India 106 Teaching 104 Research 102 Finance 54 Tribes 47 Educational sociology 46 United States 44 Agriculture 43 Population 43 Scheduled tribes 43 Communication 42 Untouchables 42 Special education 41 Education and state 40 Politics and government 40 Psychology 40 Rural development 40 Social aspects 38 Educational Psychology 37 Tourist trade 37 Industries 36 Language and literature 36 Non-governmental organizations 36 Transportation 36 Wildlife management 36 Urbanization 35