This is religion originated in India and is closely tied to the Indian caste system

Hinduism had a tight relationship with the caste system

Explanation:

The caste system didn't allow for a person to move up in social classes and resulted in mass social inequality throughout all India. It was used heavily in India and was very closely related to Hinduism there were four main classes Brahmins, Kshatriyas, Vaishyas and the Shudras and get decreasingly less privileges and opportunities than the last.