Why was it important for Hindus to do the duties of their caste?

Answer 1

It is important for Hindus to do the duties expected of their caste because if the did what other cast did they would become outcast or go lower in the caste.

sorry may not be well i am only 11

Answer 2

In ancient times Caste System was made to help Hinduism survive. Every caste were given specific duty. If they fail to do that Hinduism will not be able to survive and all the people will die eventually.