The four main groups are Brahmins, Kshatriyas, Vaishyas, and the Shudras, which many believe originated from the Hindu God of Creation Brahma.
Brahmins- mainly teachers and intellectuals that are believed to have come from the head of Brahma and are at the top of the hierarchy
Kshatriyas- the warriors and rulers, who are said to come from Brahma's arms
Vaishyas- the traders, who came from the thighs of Brahma
Shudras- did all the menial jobs and came from Brahma's feet
there are also around 3,000 other groups and 25,000 sub-groups
There is also the untouchables who did all the dirty work
This work included tasks such as cleaning up after funerals, dealing with sewage, and working with animal skin
this group has become more politically active and adopted the name Dalits, meaning "those who have been broken."
The groups are segregated