Alai-Darwaza, the southern gateway of the Quwwat-ul-Islam mosque in Delhi, was constructed by __________.

Ala-ud-din Khilji

The correct answer is Option 3- Ala-ud-din Khilji

Alai-Darwaza, the southern gateway of the Quwwat-ul-Islam mosque in Delhi, was constructed by Ala-ud-din Khilji.

• Mu'izz ad-Din Muhammad Ghori was the first Ghurid ruler to invade India and establish a Muslim empire in the subcontinent.
• Ahmad Shāh Durrani was an Afghan ruler who invaded India several times in the 18th century.
• Muhammad bin Tughlu was a Tughlaq dynasty ruler who lived in the 14th century.

Ala-ud-din Khilji was the second ruler of the Khilji dynasty. He was a skilled military leader and administrator, and he expanded the Khilji empire to include much of South India. He was also a patron of the arts and architecture, and he commissioned the construction of several important buildings, including the Alai Darwaza.