The correct answer is C. Buland Darwaza.
The Buland Darwaza is a triumphal arch in the city of Fatehpur Sikri in the Indian state of Uttar Pradesh. It was built by the Mughal emperor Akbar in 1575 AD to commemorate his victory over Gujarat. The Buland Darwaza is 54 meters (177 ft) high and is made of red sandstone. It is decorated with white and black marble and has inscriptions from the Quran. The Buland Darwaza is one of the most famous buildings in Fatehpur Sikri and is a popular tourist destination.
The other options are incorrect for the following reasons:
- A. Badshahi Mosque is a mosque in Lahore, Pakistan. It was built by the Mughal emperor Shah Jahan in the 17th century.
- B. Naulakha Pavilion is a pavilion in the city of Agra, India. It was built by the Mughal emperor Jahangir in the 17th century.
- D. Qila Mubarak is a fort in the city of Patiala, India. It was built by the Mughal emperor Akbar in the 16th century.