What are two ways in which the caste system became more restrictive during the Mauryan and Gupta ages?

What does your textbook say?

Kitty, you've posted more than a few homework questions. What about the AMHD homework policy don't you understand? I think it was made rather clear to you at least once before - https://www.askmehelpdesk.com/history-education/history-homework-true-false-if-false-rewrite-make-true-743869-3.html