Explanations:The Mamluk Dynasty, also known as the Slave Dynasty, was the first dynasty of the Delhi Sultanate in India. It was established in the early 13th century and lasted until the mid-14th century. The dynasty was founded by Qutbuddin Aibak, who was a slave of the Ghurid Sultan Muhammad Ghori. After Ghori's death, Aibak declared himself the Sultan of Delhi, thus founding the Mamluk Dynasty.
Qutbuddin Aibak was a significant figure in the early history of the Delhi Sultanate. He was known for his military prowess and administrative skills. He laid the foundation of the Qutb Minar, one of the most iconic structures in Delhi, which is a symbol of the Delhi Sultanate's architectural achievements.
Razia Sultana, who ruled from 1236 to 1240, was the only female ruler of the Delhi Sultanate. She was the daughter of Iltutmish, the third sultan of the Mamluk Dynasty. Razia Sultana's reign was marked by her efforts to reform the administration and her attempts to break away from the traditional norms of the time. Despite her efforts, she faced significant opposition from the nobility and was eventually deposed.
Amir Timur, also known as Tamerlane, was a conqueror who invaded India in the late 14th century. He was not a ruler of the Mamluk Dynasty but rather a foreign invader who sought to expand his empire. His invasion of India was a significant event in the history of the Delhi Sultanate, but it does not relate to the rulers of the Mamluk Dynasty.
Therefore, the correct answer is that Qutbuddin Aibak and Razia Sultana were rulers of the Mamluk Dynasty, while Amir Timur was not. This makes option D the correct choice, as it correctly identifies the two rulers of the Mamluk Dynasty.