Literature 112 India 71 History 67 Literature Malayalam 58 Biography 52 Biochemistry 48 Economics 45 Literature Hindi 44 Philosophy 40 മലയാളം; മലയാളം നോവല്‍ 38 Mathematics 37 Data mining 35 R (Computer program language) 35 Constitution of India 33 Dissertations, Academic (Ph.D) 32 Law 32 Novel 32 Malayalam; Malayalam Novel; Literature; Malayalam Fiction 31 Linguistics 30 Constitutional law 29 Politics and government 28 Economic development 24 Religion 24 Women 24 Big data 23 Communism 23 Communist parties 22 Communist party 22 Financial Economics 22 Malayalam literature 22