Timur himself recorded the invasions in his memoirs, collectively known as Tuzk-i-Timuri.[20][20][24][26][27] In them, he vividly described the massacre at Delhi:
In a short space of time all the people in the [New Delhi] fort were put to the sword, and in the course of one hour the heads of 10,000 infidels were cut off. The sword of Islam was washed in the blood of the infidels, and all the goods and effects, the treasure and the grain which for many a long year had been stored in the fort became the spoil of my soldiers. They set fire to the houses and reduced them to ashes, and they razed the buildings and the fort to the ground....All these infidel Hindus were slain, their women and children, and their property and goods became the spoil of the victors. I proclaimed throughout the camp that every man who had infidel prisoners should put them to death, and whoever neglected to do so should himself be executed and his property given to the informer. When this order became known to the ghazis of Islam, they drew their swords and put their prisoners to death.
One hundred thousand infidels, impious idolaters, were on that day slain. Maulana Nasiruddin Umar, a counselor and man of learning, who, in all his life, had never killed a sparrow, now, in execution of my order, slew with his sword fifteen idolatrous Hindus, who were his captives....on the great day of battle these 100,000 prisoners could not be left with the baggage, and that it would be entirely opposed to the rules of war to set these idolaters and enemies of Islam at liberty...no other course remained but that of making them all food for the sword.[28]
During the ransacking of Delhi, almost all inhabitants not killed were captured and enslaved.
Timur's memoirs on his invasion of India describe in detail the massacre of Hindus, looting plundering and raping of their women and children, their forced conversions to Islam and the plunder of the wealth of Hindustan (Greater India). It gives details of how villages, towns and entire cities were rid of their Hindu male population through systematic mass slaughters and genocide and their women and children forcefully converted en masse to Islam from Hinduism.