The nobles and servants of the State were all Turks of pure origin and Taziks of good stock, but Imadu-d din [an Indian convert] was an eunuch and im… - Minhaj-i-Siraj

In Sha’ban, 646 H. (Nov. 1248), the royal army marched through the upper country to the neighbourhood of the Biyah, and then returned to the capital. Ulugh Khan with several nobles under him, was sent with an ample force towards Rantambhor, to overrun the mountains of Mewat and the country of Bahar-deo, who was the greatest of the Rais of Hindustan. He ravaged the whole of those territories and gained a large booty. Malik Bahau-d din Aibak was slain under the fort of Rantambhor, on Sunday, in the month of Zi-1 hijja 646, while Ulugh Khan was engaged fighting in another quarter. The Khan’s soldiers showed great courage and fought well; they sent many of the infidels to the hell, and secured great spoil; after which they returned to the capital....

[Among the different coins struck in Mahmud's reign one bore the following inscription:] "The right hand of the empire, Mahmud Sultan, son of Nasir-ud-Din Subuk-Tigin, Breaker of Idols."

Sultan-i Mu’azzam Nasiru-d dunya wau-d din ascended the throne in the Green Palace at Delhi with the most favourable auspices on Sunday, 23rd Muharram 644 H. (10th June, 1246)…Ulugh Khan-I Azam, who now held the office of lord chamberlain, ...with the help of God, ravaged the hills of Jud and the Jailam, and sent many of the Kokhars (Gakkars) and rebellious infidels to hell… In the neighbourhood of Kanauj there is a fortified village called Nandana, where there is a very strong fort vying with the wall of Alexander. A body of infidel Hindus shut themselves up in this place, resolved to fight to the extremity. For two days the royal army carried on a murderous conflict at this village, but at length the rebels were sent to hell, and the place subdued… There was in the neighbourhood a Rana who (ora) was called Dalaki wa Malaki. He had many dependants, countless fighting men, great dominion and wealth, fortified places, and hills and defiles extremely difficult of access. All these he (Ulugh Khan) ravaged. He took prisoners the wives, sons, and dependants of that accursed one, and secured great booty… …His Majesty…advanced as far as Malwa. Jahir Deo was the greatest of all the Ranas of that country and neighbourhood. He had five thousand horse and two hundred thousand infantry, but he was defeated…Ulugh exhibited great energy in this campaign… On the 16th Ramazan Ulugh Khan was sent into the hills of Delhi, to chastise the rebel inhabitants of Mewat, and to intimidate their Deo. Ten thousand horsemen in armour, and a large army of brave and warlike soldiers were under his command. Great booty was gained, and many cattle captured. Defiles and passes were cleared, strong forts were taken, and numberless Hindus perished under the merciless swords of the soldiers of Islam…