Analysis of information sources in references of the Wikipedia article "印度伊斯蘭教" in Chinese language version.
Up to about the tenth century the largest settlement of Arabs and Persian Muslim traders are not found in Malabar however but rather more to the north in coastal towns of the Konkan and Gujarat, where in pre-Islamic times the Persians dominated the trade with the west. Here the main impetus to Muslim settlement came from the merchants of the Persian Gulf and Oman, with a minority from Hadramaut.
Up to about the tenth century the largest settlement of Arabs and Persian Muslim traders are not found in Malabar however but rather more to the north in coastal towns of the Konkan and Gujarat, where in pre-Islamic times the Persians dominated the trade with the west. Here the main impetus to Muslim settlement came from the merchants of the Persian Gulf and Oman, with a minority from Hadramaut.