Home / Ancient History Batch / ART_ARC_2016_163 Khalji Architectural Innovations UPSC Archival Analysis Exam Year 2016 Evidence Source Link ID: ART_ARC_2016_163 Ref: Indo-Islamic Architecture by Z.A. Desai The Horse-Shoe arch was first introduced in the- A. Tomb of IltutmishB. Tomb of Ghiyas-ud-din TughluqC. Alai DarwazaD. Quwwat-ul-Islam Mosque