Public Works Department was primarily established by-

What was ‘Dar-ul-Shafa’ established by Firuz Tughluq?

'Diwan-E-Arj' department was associated with:

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

Which Sultan of Delhi established a ‘Translation Department’ to help both communities to understand each others’ ideas better?

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