Operations research 514 Production and operations management--Product management 291 Management 230 Operating systems (Computers) 176 India 175 Operating systems 161 Religion 151 History 143 Corporate governance 139 Corporations 128 Engineering & allied operations 120 Philosophy 118 Operational calculus-- Functional analysis-- Mathematics 109 Operations Research-- Information management-- Executive management 106 Literature 101 Economics 100 Operations management 100 Rural poor 98 Hinduism 94 Production and operations management 85 Business ethics 84 Poor 82 Operations Research--Information management--Executive management 80 Co-operative management 76 Literature Sanskrit 75 Social responsibility of business 72 Co operation 67 Education 64 Finance 63 Strategic management 63