Literature 22 Literature Hindi 14 Ecology 13 Social Sciences 10 India 9 Hindi literature 8 History 8 Biography 7 Philosophy 7 Constitutional law 6 Economics 6 Human ecology 6 Poetry 6 Politics and government 6 Cost accounting 5 Environment 5 Literature Sanskrit 5 Malayalam; Malayalam Novel; Literature; Malayalam Fiction 5 മലയാളം; മലയാളം നോവല്‍ 5 Complete Works Gajanan Madhav Mukthavali 4 Criticism 4 Cultural ecology 4 Forests and forestry 4 Natural resources 4 Physiology 4 Religion 4 Science 4 Social ecology 4 Democracy 3 Ecology- Conservation 3