Home / Medieval History Batch / HIS_MED_1990_120 Origin of the Delhi Sultanate UPSC Archival Analysis Exam Year 1990 Evidence Source UPSC Level ID: HIS_MED_1990_120 Ref: Standard Educational Reference Who was the founder of Slave dynasty? A. IltutmishB. Alauddin KhaljiC. BalbanD. Qutbuddin Aybak