Through continued trade between Arab and Indian Muslims, Islam spread in Indian coastal cities and other cities, both through immigration and also through conversion.
Islam arrived in India in the extremely initial phase and it is understood that one of the Prophet Muhammad associates Malik bin Deenar arrived to India's western shore in the 7th era and a mosque was established there which still exists.
Another way by which Islam spread to India, Muslim preachers performed an important part in the extent of Islam in India with some preachers even considering positions as merchants or traders.
