History 241 Literature 107 IRMA 103 Agriculture 98 Novel 97 Politics and government 92 India 86 Land use 86 Economics 80 Land tenure 77 Tamil Nadu 76 Land reform 66 Environmental economics-- Land economics 63 Rural development 62 Social Sciences 60 Criticism 55 Education 54 Land economics 52 History and criticism 50 Literature Malayalam 50 Tribes 50 Philosophy 47 Biography 46 Malayalam fiction 45 Land reforms 43 Communication 41 Population 41 Scheduled tribes 41 Finance 40 Hand book 39