Sufism or mysticism emerged in the 8th century. Some of the early known Sufis are as follows: Rabia al-Adawiya, Al-Junaid, and Bayazid Bastami. Sufism evolved into a well-developed movement by the end of the 11th century.
Some of the activities which were prevalent during the Delhi Sultanate period are as follows: religious persecution, prohibition of public worship and destruction of temples. These was often vigorously enforced by the early Muslim rulers.
The Suhrawardi order which was founded by Shihabuddin Suhrawardi accepted the maintenance grants from the Sultans. The Suhrawardi order was established in India by Bahauddin Zakariya. Suhrawardis were active in Punjab and Sindh region.