 During this period, Iltutmish invaded the territories controlled by the Khwarazmian subordinate Ozbeg-bei, in present-day Pakistan.Ozbeg-bei fled to the Khwarazmian ruler Jalal-ad-Din in Iraq, while Other local commanders - including Hasan Qarluq - surrendered to Iltutmish.Qarluq later changed his allegiance to the Mongols.