Due to ethnic blending, geographical expansion, and the diversification of crafts, which gave rise to new occupations, the later-Vedic theory of the four-fold division of Hindu society was further fragmented into various sub-castes. According to the Hindu chaturvarnashrama idea, a person's caste established the position and relative purity of distinct sections of the population. Caste regulated who could acquire education or own landed property, what kind of job one should pu