Correct option is D
• The first dynasty of the Delhi Sultanate was the Mamluk Dynasty.
• It was founded by Qutb-ud-din Aibak in 1206.
Information Booster:
• It is also known as the Slave Dynasty because its rulers were originally slaves.
Additional Knowledge:
• Successive dynasties:
Khalji
Tughlaq
Sayyid
Lodi