Delhi Sultan Muhammad bin Tughluq was succeeded by Firuz Shah Tughlaq when he died in 1351 CE.
Taking advantage of the situation, Jayasimha expelled Muslim thanadars appointed by the Sultanate from the region.
Firuz Shah Tughluq's governor of Gujarat, Zafar Khan Farasi send an army.
His other sons were Satyaraja; mentioned in Sudavav inscription (VS 1437/1381 CE) at Mahuva, Bhavnagar; and Mokalasimha who succeeded Mahipala II.
[1][2] Zafar Khan Farsi's another commander Malek Izzuddin Yahya attacked and defeated Mangrol chief Thakor Kumarapala died in the battle.