Home / Medieval History Batch / HIS_MED_2014_53 Sultanate Frontier Defense UPSC Archival Analysis Exam Year 2014 Evidence Source UPSC Level ID: HIS_MED_2014_53 Ref: Satish Chandra, Medieval India What was the boundary between the Delhi Sultan and Mongols during the period of Alauddin Khalji after 1306 A.D.? A. ByasB. RaviC. IndusD. Sutlej