
Above two quoted by Dadabhai Naoroji as the estimated the economic costs and drain of resources from India, is an extract from one of his essays, “The Benefits of British Rule, 1871” in Drain of Wealth during British Raj, B Shantanu, 6 February 2006, 4 December 2013, Ivarta.com http://www.ivarta.com/columns/OL_060206.htm#_edn5,
Drain Theory