He was in correspondence with the Timurid ruler Shah Rukh of Herat, Yung Le of China and al-Ashraf Barsbay, the Mamluk ruler of Egypt.[1] Ibrahim Sharqi attacked his kingdom but censure from Yung Le and Shah Rukh caused him to withdraw.[11] Jalaluddin helped Meng Soamun Narmeikhla, King of Arakan, to recover his kingdom from Burma; in return he became the overlord of Arakan.[12] He, at some point, also ruled over parts of Tripura and southern Bihar.[13]