Who founded a separate department called 'Diwan-i-amir-i-kohi' to improve agriculture ?

Which among the following Sultans of Delhi established the department 'Diwan-i-Kohi' for agricultural development?

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

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

Which medieval Indian ruler established a separate department called 'Diwan-i-Khairat' for poor and needy people?

The Sultan of Delhi who was very concerned about charity and alms and established a department called ‘Diwan-i-Khairat’ for it, was: