What evidence wou

The evidences are listed below

a) They have no written rules or canons on religion.

b) They are neither Hindu nor peasants.

c) They have not a state or political form of a normal kind.

d) They are engaged in primary activities like fishing, food gathering, hunting, shifting, agriculture, etc.

e) They have no motion of purity and pollution which is central to the caste system.

f) They live in inaccessible forests and rugged mountainous regions.