Dilras Banu Begum was born a princess of the prominent Safavid dynasty of Iran (Persia) and was the daughter of Mirza Badi-uz-Zaman Safavi (titled Shahnawaz Khan), who was the viceroy of Gujarat. She married Prince Muhi-ud-din (later known as Aurangzeb upon his accession) on 8 May 1637 in Agra. Dilras was his first wife, as well as his favorite. She bore him five children — Zeb-un-Nissa, Zinat-un-Nissa, Zubdat-un-Nissa, Muhammad Azam Shah, and Sultan Muhammad Akbar. After giving birth to her fifth child, Muhammad Akbar, Dilras Banu Begum possibly suffered from puerperal fever due to complications caused by the delivery and died a month after the birth of her son on 8 October 1657. Upon her death, Aurangzeb's pain was extreme and their eldest son, Azam Shah, was so grieved that he had a nervous breakdown. It became Dilras' eldest daughter, Princess Zeb-un-Nissa's responsibility to take charge of her newborn brother. Zeb-un-Nissa doted on her brother a lot, and at the same time, Aurangzeb greatly indulged his motherless son, and the prince soon became his best-loved son. In 1660, Aurangzeb commissioned a mausoleum at Aurangabad to act as Dilras' final resting place, known as Bibi Ka Maqbara ("Tomb of the Lady"). Here, Dilras was buried under the posthumous title of 'Rabia-ud-Daurani' ("Rabia of the Age"). In the following years, her tomb was repaired by her son Azam Shah under Aurangzeb's orders. Bibi Ka Maqbara was the largest structure that Aurangzeb had to his credit and bore a striking resemblance to the Taj Mahal, the mausoleum of Dilras' mother-in-law, Empress Mumtaz Mahal herself died in childbirth. Aurangzeb, himself, is buried a few kilometers away from her mausoleum in Khuldabad. Bibi Ka Maqbara was built between 1668 and 1669 C.E. According to the "Tarikh Namah" of Ghulam Mustafa, the cost of construction of the mausoleum was Rs. 668,203. Aurangzeb allocated only Rs. 700,000 for its construction. An inscription found on the main entrance door mentions that this mausoleum was designed and erected by Ata-ullah, an architect, and Hanspat Rai, an engineer. The marble for this mausoleum was brought from mines near Jaipur. According to Tavernier, around three hundred carts laden with marble, drawn by at least 12 oxen, were seen by him during his journey from Surat to Golconda. The mausoleum was intended to rival the Taj Mahal. The mausoleum is laid out in a char bagh formal garden. It stands at the center of a vast enclosure measuring approximately 458 m. N-S X 275 m. E-W. Baradaris or pillared pavilions are located at the center of north, east, and western part of the enclosure wall. The high enclosure wall is crenelated with pointed arched recesses and bastions at regular intervals. The recesses are divided by pilasters, crowned with small minarets. The mausoleum is built on a high square platform with four minarets at its corners, which is approached by a flight of steps from the three sides. A mosque is found to the west of the main structure, a later addition by the Nizam of Hyderabad. Entry to the mausoleum is through the main entrance gate on its south, which has foliage designs on a brass plate on wood covering from the exterior. After passing through the entrance, a small tank is provided, and a low-profile screen wall leads to the main structure. The screened pathway has a series of fountains at its center. The mausoleum is encased with marble up to the dado level. Above the dado level, it is constructed of basaltic trap up to the dome base; the latter is again built of marble. A fine plaster covers the basaltic trap and given a fine polished finish and adorned with fine stucco decorations. The mortal remains of Rabia Daurani are placed below the ground level, surrounded by an octagonal jali-pierced marble screen with exquisite designs, which a descending flight of steps can approach. The roof of this chamber that corresponds to the ground level of the mausoleum is pierced by an octagonal opening and given a low barricaded marble screen. It makes the tomb viewable from the ground level through this octagonal opening. Finally, the mausoleum is crowned by a dome pierced with trellis works and accompanying panels decorated with flower designs. The structure is in the form of a hexagon, its angles ornamented with minarets.
