 Lahore remained contested in the subsequent years; for example, at the time of Khwarazmian invasion of the region (see below), it was under the control of Qabacha's son.Qabacha seems to have posed a serious threat to Iltutmish, as suggested by Muhammad Aufi in "Lubab ul-Albab".Aufi, writing shortly before the Khwarazmian invasion, expresses hope that his patron Qabacha will soon conquer the whole of Hindustan.