The correct answer is: C. Iltutmish.
Kubacha, the ruler of Punjab, and Yaldoz, the ruler of Ghazni, invaded the Haryana region during the rule of Iltutmish. Iltutmish was the second ruler of the Slave dynasty. He was a powerful and successful ruler who expanded the territory of the Delhi Sultanate. He also built many mosques and other buildings in Delhi.
Razia Sultan was the only female ruler of the Delhi Sultanate. She was a capable ruler, but she was opposed by many of the nobles. She was eventually killed in a rebellion.
Qutb-ud-din Aibak was the founder of the Slave dynasty. He was a powerful ruler who conquered much of northern India. He also built the Qutb Minar, one of the tallest brick towers in the world.
Ruknuddin Firuz was the third ruler of the Slave dynasty. He was a weak ruler who was unable to control the nobles. He was eventually killed by his own son, Ghiyasuddin Balban.
Kubacha was the son of Nasir-ud-din Qubacha, the ruler of Punjab. He invaded the Haryana region in 1235 CE. He was defeated by Iltutmish and his army.
Yaldoz was the ruler of Ghazni from 1220 to 1239 CE. He invaded the Haryana region in 1236 CE. He was defeated by Iltutmish and his army.
Iltutmish was a powerful and successful ruler who expanded the territory of the Delhi Sultanate. He also built many mosques and other buildings in Delhi. He was a capable ruler who was able to defeat Kubacha and Yaldoz.