India sets its course towards a developed economy by 2047   DR. V. ANANTHA NAGESWARAN When Sir Arthur Lewis set out in 1954 to explain how poor economies grow rich, he located the central drama of development not in the accumulation of capital, but in the migration of workers out of subsistence agriculture into the more remunerative occupations of industry and services, a transition he rightly anticipated would govern the prospects of every late-industrialising nation.