Thousands of non-Muslim women were captured during the yearly campaigns of Firoz Tughlaq. - Firuz Shah Tughlaq

Similar was the case with males, especially of tender and young age. Firoz Tughlaq acquired them by all kinds of methods and means, so that he collected 180,000 of them. Shams Siraj Afif, the contemporary historian, writes that under Firoz, “slaves became too numerous” and adds that “the institution took root in every centre of the land”. So that even after the Sultanate broke up into a number of kingdoms, slave-hunting continued in every “(Muslim) centre of the land.”

Firuz Shah Tughlaq organised an industry out of catching slaves. Shams-i-Siraj Afif writes in his Tarikh-i-Firuz Shahi: “The Sultan commanded his great fief-holders and officers to capture slaves whenever they were at war (that is, suppressing Hindu rebellions), and to pick out and send the best for the service of the court. The chiefs and officers naturally exerted themselves in procuring more and more slaves and a great number of them were thus collected. When they were found to be in excess, the Sultan sent them to important cities… It has been estimated that in the city and in the various fiefs, there were 1,80,000 slaves… The Sultan created a separate department with a number of officers for administering the affairs of these slaves.”. Firuz Shah beat all previous records in his treatment of the Hindus... He records another instance in which Hindus who had built new temples were butchered before the gate of his palace, and their books, images, and vessels of Worship were publicly burnt. According to him “this was a warning to all men that no zimmi could follow such wicked practices in a Musulman country”. Afif reports yet another case in which a Brahmin of Delhi was accused of “publicly performing idol-worship in his house and perverting Mohammedan women leading them to become infidels”. The Brahmin “was tied hand and foot and cast into a burning pile of faggots”. The historian who witnessed this scene himself expresses his satisfaction by saying, “Behold the Sultan’s strict adherence to law and rectitude, how he would not deviate in the least from its decrees.”

The next matter which by God's help I accomplished, was the repetition of names and titles of former sovereigns which had been omitted from the prayers of Sabbaths and Feasts. The names of those sovereigns of Islam, under whose happy fortune and favour infidel countries had been conquered, whose banners had waved over many a land, under whom idol-temples had been demolished, and mosques and pulpits built and exalted, the fragrant creed had been extended, and the people of Islam had waxen strong and warlike, the names of these men had fallen into neglect and oblivion. So I decreed that according to established custom their names and titles should be rehearsed in the khutba and aspirations offered for the remission of their sins.'