The caste system in the subcontinent was first established by the? A) Aryans B) Dravidian C) Iranians D) Mongols Related MCQs: Caste system of Hindu divided into Brahma and …? When Pluto was caste out from the list of planets? The first Nuclear Power Plant, KANUPP, was established with Canadian collaboration. In which city was it established? Mahmud Ghaznavi made which city of subcontinent as capital of his empire?