The department of 'Diwan-i-Amir-Kohi' dealt with which of the following during Sultanate period?

Which of the following places was diamond mining carried out during the Delhi Sultanate period?

Who created the department of Diwan-i-Arz in Delhi Sultanate?

Which Sultan introduced new Department “Aamir-e- Kohi”?

Coins- Tanka, Shashgani and Jital of Sultanate period was made of which of the following metals-

Which dynasty of Delhi Sultanate ruled for the shortest period?