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.
Khwaja Abu Malik Isami is the author of Futuh-al-Salatin is yet another elaborate account of the Delhi Sultanate. It consists of almost 12,000 verses. The Futuh-us-Salatin is a history of Muslim rule in India until 1349-50.