Firdausi was a persian poet and the author of Shahnameh also known as “Book of Kings”, which is one of the world’s longest epic and the national epic of Greater Iran.
The Qanun-i Humayuni which is also called Humayun Namah was composed in 1534 CE by Khvandamir who was one of the officials under Humayun’s patronage. The memoir is an eyewitness account of Humayun’s reign.
Under the Mansabdari system the mansab rank was not hereditary and the lowest rank was 10 and the highest was 5,000 for the nobles. All appointments and promotions as well as dismissals in the Mansabdari system were directly made by the emperor.