What is the name of the book which is a part of Ain-i-Akbari and deals with the fiscal side of the empire and provides rich quantitative information on revenue rates?

mulk-abadi 

The Ain is made up of five books (daftars), of which the first three books describe the administration. The third book, mulk-abadi, is the one which deals with the fiscal side of the empire and provides rich quantitative information on revenue rates.