The Cambridge History of India, Vol. III: Turks and Afghans v3.c27.4

v3.c27.4

Ibn Batūtah, in his account of his voyage down the western coast of India, mentions petty rulers of ports and their adjacent districts owning allegiance and paying tribute to Muhammad Tughluq, but this allegiance was withheld from Bahman Shāh, and only gradually recovered by his successors, whose authority over the Hindus of the Western Ghāts was always precarious.