Explanation:

We know of Firuz Shah Tughlaq in part through his 32-page autobiography, titled Futuhat-e-firozshahi. He was 45 when he became Sultan of Delhi in 1351. He ruled until 1388. At his succession, after the death of Muhammad Tughlaq, he faced many rebellions, including in Bengal, Gujarat and Warangal. Nonetheless he worked to improve the infrastructure of the empire building canals, rest-houses and hospitals, creating and refurbishing reservoirs and digging wells. He founded several cities around Delhi, including Jaunpur, Ferozpur, Hissar, Firuzabad, Fatehabad