History 17 Marine ecology-- Ocean ecology-- Sea ecology 15 Public debt 13 Taxation 13 Expenditure 12 Income tax 12 Human rights 11 Veterinary Medicine 11 Women 11 personal saving 11 Language/ Lingustics; 10 Philosophy 10 Atrocities 9 Dalits 8 Political atrocities 7 Crimes against 6 Language 6 Social conditions 6 Engineering 5 International criminal courts 5 Language and languages 5 Pattern recognition systems 5 Politics and government 5 Research 5 Sociology 5 Statistical decision 5 Bacterial pathogenesis 4 Economics 4 Educational Psychology 4 English drama 4