Explanation:

The Ain-i-Akbari is the third volume of the Akbarnama containing information regarding Akbar's reign in the form of, what would be called in modern times, administration reports, statistical compilations, or gazetteers.
The Ain-i-Akbari is itself divided into five books.
The first book deals with the imperial household, and the second with the servants of the emperor, the military and civil services.
The third book deals with the imperial administration, containing the regulations for the judicial and executive departments.
The fourth book contains information about Hindu philosophy, science, social customs and literature.
The fifth book contains sayings of Akbar.