Women and children were the prize of the warriors, and as early as the days of Qutbuddin Aibak "even a poor Muslim householder (who was also a soldie… - Qutb-ud-din Aibak

He then marched and encamped under the fort of Delhi... The city and its vicinity were freed from idols and idols-worship, and in the sanctuaries of the images of the Gods, mosques were raised by the worshippers of one God.'...
'Kutbu-d din built the Jami' Masjid at Delhi, and adorned it with stones and gold obtained from the temples which had been demolished by elephants, and covered it with inscriptions in Toghra, containing the divine commands.

"Qutb-ud-Din, whose reputation for destroying temples was almost as great as that of Muhammad, in the latter part of the twelfth century and early years of the thirteenth, must have frequently resorted to force as an incentive to conversion. One instance may be noted: when he approached Koil (Aligarh) in A. D. 1194, ' those of the garrison who were wise and acute were converted to Islam, but the others were slain with the sword '.

Qutb-ud-Din Aybak also is said to have destroyed nearly a thousand temples, and then raised mosques on their foundations. The same author states that he built the Jami Masjid, Delhi, and adorned it with the stones and gold obtained from the temples which had been demolished by elephants, and covered it with inscriptions (from the Quran) containing the divine commands. We have further evidence of this harrowing process having been systematically employed from the inscription extant over the eastern gateway of this same mosque at Delhi, which relates that the materials of 27 idol temples were used in its construction.