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.
Barani was a contemporary of Muhammad bin Tughlaq and Firuz Shah Tughlaq both. He wrote a number of renowned texts, such as the Fatwa-i-Jahandari, which elaborates on the principles to be followed by Muslim rulers to attain merit.