The per capita income level of States depends on a number of factors which include resource endowments, historical background of development, infrastructure and various other state specific factors. The increase in per capita income is directly related to growth rate in income at national or state level as per capita income is calculated by dividing national/state income with the corresponding total population. This information was given by the Minister of State (Independent Charge) for Planning, Shri Rao Inderjit Singh in a written reply in Rajya Sabha today.