 The most members of Kayastha community converted to Islam and adopted the Shaikh title.The Muslim Kayasths use shaikhzada as their surnames, and consider themselves belonging to the Shaikh community.Throughout the history of the Delhi Sultanate and its successor the Mughal Empire in South Asia, Muslim technocrats, bureaucrats, soldiers, traders, scientists, architects, teachers, theologians and Sufis flocked from the rest of the Muslim world, and the region that now forms Uttar Pradesh was the centre of Islamic power in India.