Zabti or Dahsala System was a systematic way of revenue collection, introduced by the finance minister of Akbar, i.e. Raja Todar Mal, in the year 1580-82.Under the Dahsala System, the state conducted the careful survey and calculation of crop production as well as prices of those crops for a period of last 10 years.
On the basis of this calculation, 1/3rd share of the average produce was demanded as the state's share. The tax was fixed on each crop in cash.
Apart from calculations, the account records were also maintained in detail for the convenience of the peasants as well as the state.
For a detailed description of Dahsala System, click on the link given below:
https://www.youtube.com/watch?v=3MEjTy0_46g
