Explanation:

- Mehrunnisa, later known as Nur Jahan, was a prominent historical figure in the Mughal Empire.

- Option 1: Aurangzeb - Aurangzeb was a Mughal emperor, but he was not married to Nur Jahan.

- Option 2: Shah Jahan - Shah Jahan was another Mughal emperor, known for building the Taj Mahal, but he was not Nur Jahan's husband.

- Option 3: Jahangir - Jahangir was indeed the Mughal emperor married to Mehrunnisa. After marriage, he gave her the title Nur Jahan, meaning "Light of the World."

- Option 4: Akbar - Akbar was Jahangir’s father and a great Mughal emperor, but Nur Jahan was not married to him.

Correct Answer: Option 3 - Jahangir