The correct answer is: C. Qutub-ud-Din Aibak
Qutub-ud-Din Aibak was a slave of Muhammad of Ghor, who later became the first Sultan of Delhi. He was a skilled military commander and played a key role in the conquest of India by Muhammad of Ghor. In 1192, he defeated Jatwan, the Commander of Hansi and Hisar, and captured the two cities. This victory paved the way for the further conquest of India by Muhammad of Ghor.
A. Ghiyathod-Din Muhammad was the Sultan of Ghor from 1163 to 1202. He was the father of Muhammad of Ghor.
B. Bahaal-Din Sam was the Sultan of Ghor from 1192 to 1206. He was the brother of Muhammad of Ghor.
D. Balban was the Sultan of Delhi from 1266 to 1287. He was a slave of Qutub-ud-Din Aibak.