 Eaton states that, "Looking at Bengal's Hindu society as a whole, it seems likely that the caste system—far from being the ancient and unchanging essence of Indian civilisation as supposed by generations of Orientalists—emerged into something resembling its modern form only in the period 1200–1500".Susan Bayly, an anthropologist, notes that "caste is not and never has been a fixed fact of Indian life" and the caste system as we know it today, as a "ritualised scheme of social stratification," developed in two stages during the post-Mughal period, in 18th and early 19th century.Three sets of value played an important role in this development