After this expedition he made frequent expeditions into Hind, in the prosecution of holy wars, and there he conquered forts upon lofty hills, in orde… - Sabuktigin

When this intelligence reached the Amír, he considered it false, as being opposed to the usual habits of Jaipál; but after repeated accounts to the same effect were brought, when the curtain which obscured the truth was withdrawn, and he knew that God has set his seal upon Jaipál's heart, so that he might obtain the reward of his evil deeds, and placed a veil between it and rectitude, so that he might obtain punishment for his wickedness and infedelity. The Sultan therefore sharpened the sword of intention in order to make an incursion upon his kingdom, and cleanse it from impurity and from his rejection of Islam. So he departed with his valiant servants and allies, relying upon the one God, and trusting in the fulfilment of the promise of the victory; and he went on till he arrived with his troops in the country of Hind, and he killed everyone who, on the part of Jaipál, came out to oppose him.

Even during the fifteen years of Alptigin's reign Subuktigin is represented by Firishta in an untranslated passage to have made frequent attacks upon India, and even to have penetrated as far as Sodra on the Chinab, where he demolished idols in celebration of Mahmud's birth, which, as it occurred on the date of the prophet's birth, Subuktigin was anxious that it should be illustrated by an event similar to the destruction of idols in the palace of the Persian king by an earthquake, on the day of the prophet's birth.

When Jaipál had marched to a great distance and thought that the demand upon him had relaxed, his evil disposition his evil disposition prompted him to break his engagements, and his folly made him beget enemity, insomuch as he imprisoned those who accompanied him on the part of the Amír, in reprisal for those of his relations the Amír had taken as hostages.