Home / Medieval History Batch / HIS_MED_2013_56 Medieval Currency Reforms UPSC Archival Analysis Exam Year 2013 Evidence Source UPSC Level ID: HIS_MED_2013_56 Ref: Standard Educational Reference Who was the medieval king responsible for introducing the silver coin called 'Tanka' in North India? A. IltutmishB. RaziyyaC. Alauddin KhaljiD. Muhammad Tughluq