Correct Answer: (b) Tomb of Balban
Note: Tomb of Balban is located in Mehrauli, New Delhi. It was here that first true arches made its appearance in India.
Ghiyas-ud-din Balban, one of the most powerful slave sultans after Iltutmish, is buried within the archaeological park, in a building once built by the Sultan himself called the Dar-ul-Amaan (Haven of Safety)