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.
Al Biruni was made court astrologer in Ghazni and he accompanied with Mahmud on his invasions on India. He lived for several years here and is considered to be first Indologist.