Economics 28 Financial Economics 28 Irrigation 25 Credit 23 Algology 20 India-economic development and growth-- Economic planning-- Production economics 17 Agricultural economics 16 Photo synthesis 16 Plant development 16 Taxation 16 Plant science 15 Botany 14 Seed science 14 Management 13 Phycology 13 Accounting 12 Indian economy 12 Flagellata 11 Financial Management 10 Foreign exchange 10 Pathology 10 Ecology 9 Economic systems and theories 9 Money 9 Rural development 9 Tax 9 Economic development 8 Economic statistics 8 Financial economics 8 India-Foreign policy-- International relations 8