Home / Ancient History Batch / ART_MIS_2013_37 Economic Reforms of the Delhi Sultanate UPSC Archival Analysis Exam Year 2013 Evidence Source Link ID: ART_MIS_2013_37 Ref: Medieval India: From Sultanat to the Mughals by Satish Chandra Who was the medieval king responsible for introducing the silver coin called 'Tanka' in North India? A. IltutmishB. RaziyyaC. Alauddin KhaljiD. Muhammad Tughluq