Home / Medieval History Batch / HIS_MED_2000_100 Sultanate Civic Works UPSC Archival Analysis Exam Year 2000 Evidence Source UPSC Level ID: HIS_MED_2000_100 Ref: Satish Chandra, Medieval India Public Works Department was primarily established by- A. IltutmishB. BalbanC. Alauddin KhaljiD. Firuz Shah Tughluq