This fortress town on a rocky outcrop about 100 km (62 mi) from Indore is celebrated for its architecture. ... It was an important military outpost and its military past can be gauged by the circuit of the battlemented wall, which is nearly 37 km (23 mi) and is punctuated by 12 gateways. The wall encloses a large number of palaces, mosques, Jain temples of 14th century and other buildings. The oldest mosque dates from 1405; the finest is the Jama Masjid or great mosque, a notable example of Pashtun architecture. The marble-domed tomb of this ruler is also magnificent. Wiki
Mandu or Mandav literally meaning the City of Joy is a small town in the state of Madhya Pradesh in India, now best known for a fort built by Baaz Bahadur in the memory of his queen Rani Roopmati. Between 1401 and 1561 it was the an important citadel of a Muslim rulers of central and north India. The citadel was abandoned more than 400 years ago, and it's now a town city but also home to a large ruins site more than 10 km long and 15 km wide. ... Wikivoyage
In 1305, Mandu came under the rule of the Sultanate of Delhi. Following the sacking of Delhi by the armies of Timur in 1398, the central authority of the Delhi Sultanate collapsed. Dilawar Khan Ghuri, the then governor of Malwa, declared his independence. He shifted the capital of Malwa from Dhar to Mandu, renaming it ‘Shaadiabad’ or ‘City of Joy’. It would remain the seat of the Malwa Sultanate till its capture by the Mughal armies in 1562. Magic of Mandu
M.P. Tourism UNESCO : Group of Monuments at Mandu Mandu, India Mandu - City of Joy The Magic of Mandu (PDF) Love, War and History: A Tale of Mandu City Magic of Mandu Mandu Destination Brochure (PDF)
Note : The links below have plenty of pics and few vids, so data-heavy !