Rukunuddin Kaikaus (reigned: 1291–1300 CE) was the independent Sultan of Bengal. In 1291 he succeeded his father Nasiruddin Bughra Khan. In several inscriptions and coins he styled himself as Sultan-bin-Sultan (the Sultan, son of a Sultan) and also Sultan-us-Salatin (the Sultan of Sultans). ==History== During his reign, he had divided his kingdo...