Per capita income of Indians grew by 17.9 per cent to 54,835 rupees in 2010-11 from 46,492 in the year-ago period, according to the revised data released by the government on Tuesday.The new per capita income figure estimates on current market prices is over 8,000 rupees more than the previous estimate of 46,492 rupees calculated by the Central Statistical Organisation.Per capita income means earnings of each Indian if the national income is evenly divided among the country's population.However, the increase in per capita income was only about 6.5 per cent in 2010-11 if it is calculated on the prices of 2004-05 prices, which is a better way of comparison and broadly factors inflation.The size of the economy at current prices rose to 73,06,990 crore rupees in 2010-11, up 19.1 per cent over 61,33,230 crore rupees in Financial Year 10.The country's population increased to 121 crore at the end of March 2011, from 117 crore in fiscal 2009-10.