The correct answer is: Aram Shah.
Aram Shah was the second ruler of the Mamluk dynasty of the Delhi Sultanate. He was the son of Qutb-ud-din Aibak, the founder of the Mamluk dynasty. Aram Shah was known as lakh bakhsh (giver of lakhs) because he was very generous and used to give away large sums of money to the poor and needy.
Aram Shah ascended to the throne of Delhi in 1211 after the death of his father, Qutb-ud-din Aibak. He was a capable ruler and during his reign, the Delhi Sultanate expanded its territory. However, Aram Shah was assassinated in 1212 by his own nobles.
Here is a brief description of each option:
- Aram Shah was the second ruler of the Mamluk dynasty of the Delhi Sultanate. He was the son of Qutb-ud-din Aibak, the founder of the Mamluk dynasty. Aram Shah was known as lakh bakhsh (giver of lakhs) because he was very generous and used to give away large sums of money to the poor and needy.
- Nasir ud din Mahmud was the third ruler of the Mamluk dynasty of the Delhi Sultanate. He was the son of Aram Shah. Nasir ud din Mahmud was a weak ruler and during his reign, the Delhi Sultanate declined. He was assassinated in 1226.
- Ala ud din Masud was the fourth ruler of the Mamluk dynasty of the Delhi Sultanate. He was the son of Nasir ud din Mahmud. Ala ud din Masud was a capable ruler and during his reign, the Delhi Sultanate recovered from its decline. He was assassinated in 1236.
- Qutb- ub-din-Aibak was the founder of the Mamluk dynasty of the Delhi Sultanate. He was a slave of Muhammad Ghori, the ruler of the Ghurid dynasty. Qutb-ud-din Aibak was a capable ruler and during his reign, he conquered much of northern India. He died in 1210.