Question: What did the wife of the 15th Mughal Emperor serve as?
Context: Achabal Garden is one of the most important and splendid tourist places in the state of Kashmir and is about 8 kilometers away from Anantnag.  It was in the state of Kashmir that the Mughal style gardens was brought to perfection and Achabal is one such masterpiece.  This place is famous all over due to an ancient spring surrounded by a terrace garden, which was developed by Mughals.  The historical significance of this place strikes the visitor with awe.Achabal Garden, once the pleasure retreat of the Mughal Empress Noor Jahan is a beautifully created garden in Kashmir with its own special allure and character.  Its picturesque beauty makes it one of the best Mughal gardens of the Indian subcontinent.  It is difficult to describe in words the mesmerizing beauty of this Mughal style garden.  The upper portion of the garden is popularly known as `Bag-e-Begum Abad` and was developed by Malika Noor Jehan Begum in 1620 A.D. Later it became renowned as Sahib Abad in which there was a `Hamam` or treasure of water getting heat from a logical lamp or `tosng`.  The garden was created at the site of a powerful spring, which enters the garden as a waterfall.  The design of this wonderfully created garden is ascribed to the beloved wife of the Mughal Emperor Jahangir.  The Garden of Achabal is located at the foot of a hill covered with dense forest, which is 8 kilometers from Anantnag and 56 kilometers from Srinagar.  The daughter of the Mughal monarch Shah Jahan built the garden in the year 1620 with cascading outpourings and pavilions.  The most beautiful of all springs is Achabal and it gushes out of the Sosanwar Hill.  In the garden of Achabal the water gushes out of the spasm with great vigor throughout the entire year.  In the later ages the Mughal prince Dara Shikoh built a mosque in the garden.  There is also a trout farm for seed fish nearby.  There are tourist bungalows and tourist huts nearby where the tourists can spend some moments in the lap of the beautiful setup.  This garden is universally regarded as a visual treat for the eyes.  This garden is also well adorned with sprawling Chinar trees.  Stepped terraces, ornamental shrubs and conventional elegance, are the added attraction, which not only mesmerizes one but also attracts thousands of tourists from all over the globe every year.  Accommodation is available at the nearby tourist bungalows or rest houses.  Achabal not only serves as a breathtaking splendor but also is a reviving experience for all tourists. Ahmad Shah Bahadur, Mirza Ahmad Shah, Mujahid-ud-Din Ahmad Shah Ghazi (23 December 1725 – 1 January 1775) was born to Mughal Emperor Muhammad Shah.  He succeeded his father to the throne as the 15th Mughal Emperor in 1748 at the age of 22.  When Ahmed Shah Bahadur came to power the rule of the Mughal Empire was collapsing, furthermore his administrative weaknesses eventually led to the rise of the usurping Feroze Jung III. Parhez Banu Begum (21 August 1611 – 1675) was a Mughal princess and the first child and eldest daughter of Mughal emperor Shah Jahan from his first wife, Kandahari Begum.  She was also the older half-sister of her father's successor, the sixth Mughal emperor Aurangzeb. The Siege of Bijapur began in March 1685 and ended in September 1686 with a Mughal victory.  The siege began when the Mughal Emperor Aurangzeb dispatched his son Muhammad Azam Shah with a force of nearly 50,000 men to capture Bijapur Fort and defeat Sikandar Adil Shah, the then ruler of Bijapur who refused to be a vassal of the Mughal Empire.  The Siege of Bijapur was among the longest military engagements by the Mughals, lasting more than 15 months until the Mughal Emperor Aurangzeb personally arrived to organize a victory. Umarkot is a fort located in Umerkot, Sindh, also called Amarkot.  Emperor Akbar was born in Umarkot Fort when his father Humayun fled from the military defeats at the hands of Sher Shah Suri on 15 October 1542.  Rana Parasad of Umarkot, who had risen to power had given refuge to Mughal Emperor Humayun and it was there Hamida Bano Begum gave birth to young Akbar.  Later the Mughal Emperor Akbar became the Shahenshah of Hind and was a popular figure with both Hindus and Muslims.  Umerkot has many sites of historical significance such as Mughal emperor Akbar's birthplace at Umarkot Fort.  In 1746, the Mughal Subahdar, Noor Mohammad Kalhoro, built a fort at the location.  Later the British would take over that area. Abu'l-Fath Jalal-ud-din Muhammad Akbar (15 October 1542 – 27 October 1605), popularly known as Akbar I (, literally "the great") and later Akbar the Great, was the third Mughal emperor, who reigned from 1556 to 1605.  Akbar succeeded his father, Humayun, under a regent, Bairam Khan, who helped the young emperor expand and consolidate Mughal domains in India.  A strong personality and a successful general, Akbar gradually enlarged the Mughal Empire to include nearly all of the Indian Subcontinent north of the Godavari river.  His power and influence, however, extended over the entire country because of Mughal military, political, cultural, and economic dominance.  To unify the vast Mughal state, Akbar established a centralised system of administration throughout his empire and adopted a policy of conciliating conquered rulers through marriage and diplomacy.  To preserve peace and order in a religiously and culturally diverse empire, he adopted policies that won him the support of his non-Muslim subjects.  Eschewing tribal bonds and Islamic state identity, Akbar strove to unite far-flung lands of his realm through loyalty, expressed through an Indo-Persian culture, to himself as an emperor who had near-divine status. Sanwlah was a court artist in the palace of 4th Mughal Emperor Jahangir. Rafi-ul Darjat (1 December 1699 – 13 June 1719), the youngest son of Rafi-us-Shan and the nephew of Azim ush Shan, was the 10th Mughal Emperor.  He succeeded Furrukhsiyar on 28 February 1719, being proclaimed Badshah by the Syed Brothers. Muhammad Parviz (2 October 1589 – 28 October 1626) was the second son of Mughal emperor Jahangir from his third wife, Sahib-i-Jamal Begum.  He was also a grandson of the third Mughal emperor Akbar.  His daughter, Nadira Banu Begum, later became the wife of Dara Shikoh. Qudsia Begum (died 1765), was a wife of Mughal emperor Muhammad Shah and mother of emperor Ahmad Shah Bahadur.  She was an administrator and served as de facto regent of India from 1748 to 1754.
Answer: de facto regent of India