The History of Shēr Shāh (Tārīkh-i Shērshāhī) 3.19.8

3.19.8

and gave Ujjain to Darya Khan Gujarati, who had been wazir of Sultan Mahmud, King of Gujarat, and who had fled to Sher Shah; and Sarangpur to 'Alam Khan Lodi, who also had been a noble of Sultan Mahmud's court; and making Haji Khan and Junaid Khan faujdars of that country, he left them in the city of Dhar, and returned himself, by the fort of Rantambhor, on the road to which place Sikandar Khan Miana, who had been ruler of sarkar Sewas, fled. 'Usman Khan, whose name was previously Abu-l Farra, was governor of Rantambhor, on behalf of Mallu Khan. When Sher Shah approached, he came and submitted to him, and Sher Shah, making over the fort of Rantambhor to his eldest son 'Adil Khan, went himself to Agra.