64. The main exponent of the theory of Drain of Wealth was A.RC Dutt B.Dadabhai Naoroji C.DR Gadoil D.Karl Mane
Option B Solution: Dadabhai Naoroji's work focused on the drain of wealth from India to England during colonial rule of British in India. One of the reasons that the Drain theory is attributed to Naoroji is his decision to estimate the net national profit of India, and by extension, the effect that colonisation has on the country.