India's Caste System
By Heath Brooks
Upper class
the ranked occupational groups were referred to as varnas, and the hereditary occupational groups within the varnas were known as jatis.Many have immediately assumed that ascribed social groups and rules prohibiting intermarriage among the groups signify the existence of a racist culture.
The Untouchables
There is a fifth class in Hinduism. They are considered outcasts who, did all the dirty work.We call them "untouchables" because they carried out the miserable tasks associated with disease and pollution, such as cleaning up after funerals, dealing with sewage, and working with animal skin.