Language and literature 42 History 40 Agriculture 36 Communication 36 Education 36 Finance 36 Industries 36 Non-governmental organizations 36 Politics and government 36 Population 36 Rural development 36 Scheduled tribes 36 Transportation 36 Tribes 36 Untouchables 36 Wildlife management 36 Tourist trade 35 Urbanization 35 Dissertations, Academic (Ph.D) 31 Journal, English Language and Literature 13 Dissertations, Academic (Ph.D.) 12 Dissertation, Academic (Ph.D.) 11 Thesis (Ph.D)-English language and literature 11 Thesis (Ph.D)-Malayalam language and literature 11 Thesis (Ph.D.) English language and literature 7 Dissertation, academic (Ph.D.) 5 Dissertations, Academic(Ph.D) 5 English literature 4 Language and languages in literature 4 Language and Literature 3