The correct answer is: D. Farrukhsiyar
Farrukhsiyar was the Mughal emperor from 1713 to 1719. He built the Fort of Farrukhnagar in 1714. The fort is located in the Gurgaon district of Haryana, India. It is a 17th-century Mughal fort that was built by Farrukhsiyar, the sixth Mughal emperor. The fort is located on a hillock and is surrounded by a moat. It has a number of buildings, including a palace, a mosque, and a tomb. The fort is in a good state of preservation and is a popular tourist destination.
Mohammad Khan was a Mughal general who served under Aurangzeb. He was not involved in the construction of the Fort of Farrukhnagar.
Faujdar Khan was a Mughal nobleman who served under Aurangzeb. He was not involved in the construction of the Fort of Farrukhnagar.
Dilawar Khan was a Mughal nobleman who served under Aurangzeb. He was not involved in the construction of the Fort of Farrukhnagar.