History 116 Poultry Science Dept 47 Economics 41 Poultry Science 41 Politics and government 34 Public debt 31 India 28 Nutrition Dept 28 History and criticism 27 Literature 25 Education 24 Novel 24 English literature 23 Biography 20 Religion 20 Debt 19 Taxation 19 Economic development 17 Management 17 Philosophy 17 Social conditions 17 Women 17 Mathematics 16 Physics 16 Social aspects 16 മലയാളം; മലയാളം നോവല്‍ 16 Collected Works 14 Deaf 14 Malayalam; Malayalam Novel; Literature; Malayalam Fiction 14 Psychology 14