Explanation:

- Jalal-ud-din Khilji was the founder of the Khilji dynasty and ruled before Alauddin Khilji. He was not a governor under Alauddin.

- Shams-ud-din Iltutmish was a ruler of the Delhi Sultanate from the Mamluk dynasty and reigned before the Khilji dynasty. He wasn't a governor under Alauddin.

- Ghiyasuddin Tughlaq became the Sultan after Alauddin Khilji's rule and was not one of his governors.

- Correct Answer: Ghiyasuddin Tughlaq

- Nasiruddin Mahmud was a son of Sultan Balban and a ruler in the Mamluk dynasty before Alauddin's reign. He was not a governor during Alauddin's rule.