 The writings of Hasan Nizami and Muhammad Aufi suggest that Qabacha had earlier signed some treaties with Iltutmish, probably to secure his support against the Khwarazm prince Jalal ad-Din.These treaties probably involved Qabacha's recognition of Iltutmish's sovereignty, or promises to surrender some territories to the Delhi Sultan.Qabacha's failure to abide by these treaties may have prompted Iltutmish to wage a war against him.