- Alai Darwaja (Delhi) was built by Alauddin Khalji as the southern gateway of the Quwwat-ul-Islam Mosque. - Buland Darwaja (Fatehpur Sikri) was built by Akbar to commemorate his victory in Gujarat. - Moti Masjid (Agra Fort) was built by Shahjahan. - Moti Masjid (Red Fort, Delhi) was built by Aurangzeb.