Answer:
Islam in India existed in communities along the Arab coastal trade routes in Bengal, Gujarat, and Kerala as soon as the religion originated and had gained early acceptance in the Arabian Peninsula, though the first incursion through sea by the new Muslim successor states of the Arab World occurred around 636 CE or 643
Step-by-step explanation:
Muhammad bin Qasim. The first great expansion of Islam into India came during the Umayyad Dynasty of caliphs, who were based in Damascus.Islam spread through military conquest, trade, pilgrimage, and missionaries