Hindu and Islam, from the of arrival of the Arabs as far back as the eighth century AD, has had a checkered history. During the Muslim conquests, Islam gained many converts on the India primarily from Hinduism or Buddhism; the two dominant local religions. Inter-marriage and immigration from other Islamic lands have helped in instilling this idea in the people of greater India. Many of the new Muslim rulers looked down upon the idea Hinduism as having Iconodulistic religious practices and were to various degrees Iconoclastic. Prominent examples of these are Mahmud of Ghazni and the Mughal emperor Aurangzeb on either end of the timeline for Islamic rulers. In addition, Muslims in India also developed a caste system that divided the Arab-descended "Ashraf" Muslims and the "Ajlaf" converts, w