Explanation:

- Muhammad Ghori: He defeated Prithviraj Chauhan in the second battle of Tarain in 1192 AD. This battle marked the beginning of Muslim rule in Northern India.

- Babur: He was the founder of the Mughal Empire in India but came much later, invading India in 1526 AD and fought the First Battle of Panipat.

- Iltutmish: He was a ruler of the Delhi Sultanate but came after the Ghurid invasion. He was one of the successors to the Ghurid territories in India.

- Alauddin Khalji: He was a later ruler of the Delhi Sultanate, known for his military campaigns, but not in the context of Prithviraj Chauhan.