Correct Option: A

The Ain-i-Akbari is the third volume of the Akbarnama by Abul Fazl which contains information regarding Akbar's reign in the form of, what would be called in modern times, administration reports, statistical compilations, or gazetteers. It contains the áín (i.e., mode of governing) of Akbar, and is, in fact, the administration report and statistical Return of his government.