agriculture in the national economy 2 planning and economic development 2 scope and methodology of economics 2 frequency distributions 1 historical mooring of the Indian Society 1 introductory 1 macro economics 1 measures of dispersion 1 micro economic or price theory 1 microeconomics 1 pioneers of Indian Sociology 1 probability 1 structure 1 structure of the Indian economy 1 theory of demand 1 theory of production and cost 1