Q. Consider the following pairs:
  1. Diwan-i-Kohi - Department of Agriculture
  2. Diwan-i-Bandagan - Department of Slaves
  3. Diwan-i-Risalat - Department of Appeals
  4. Diwan-i-Arz - Military Department
Which of the above are correct?

Answer: 1, 2, 3 & 4
Notes: All of the above given pairs are correct.
These are different branches of public administration that existed during the Delhi Sultanate.