Sri Lanka 54 Dr.G.Renuka 49 History 36 Alkaloids 24 SriLanka 21 India 20 Biography 19 Guide 19 Rasas 18 Religion 15 Women 14 Economics 13 Birds 12 Politics and government 12 Ornithology 11 Literature 10 Anada Ranga Pillai 9 Aves 9 Buddhism 9 History and criticism 9 Nationalism 9 Politics 9 Social conditions 9 Tamil (Indic people) 9 Ethnic relations 8 Poetry 8 Sanskrit literature 8 Social aspects 8 Biochemistry 7 Feminism 7