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.
The followers of Bhakti movement condemned polytheism and believed in one god. They also denounced all forms of idolatry and greatly emphasised on the fundamental unity of all religions.