Explanation:

- Babar, also known as Babur, was the founder of the Mughal Empire in the Indian subcontinent.

- He ascended the throne at the young age of 12.

- This event took place in 1494 A.D., when he became the ruler of the Fergana Valley in present-day Uzbekistan.

- Option 1: 1464 A.D. - Incorrect. This date is too early for Babur’s reign.

- Option 2: 1564 A.D. - Incorrect. This date is after Babur's death in 1530.

- Option 3: 1494 A.D. - Correct. Babar ascended the throne in this year.

- Option 4: 1594 A.D. - Incorrect. This date is many years after Babur's death.