Rooted in religion and based on a division of labor, the caste system, among other things, dictates the type of occupations a person can pursue and the social interactions that she may have. Castes are an aspect of Hindu religion. Other religions in India do not follow this system.
-istan is a suffix in the Persian language (Farsi), denoting a place. Thus, Pakistan means place of the pure (pak=pure). It does not just refer to geographical areas, as in bimarestan=place of the sick=hospital. The suffix is widespread in Eurasia because of Persian influence (the Mughals of India for example used Farsi).
First of all, it's not stan that is the suffix, rather it is istan, which means land in farsi/urdu languages. Pak = pure, Istan = land, Pakistan = the land of the pure. Uzbek = the ethnic people Uzbeks, Istan = land, Uzbekistan = the land of the Uzbeks. ... and so on. Light of Knowledge Â· 8 years ago.