Which of the following was the capital of the Sultanate during the reign of Iltutmish?

Who among the following established Delhi as the capital of Sultanate?

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

Who among the following was not the rivals of Iltutmish?

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

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