Made with groove in column red sandstone Qutub Minar has a covering of Qur’an verses and intricate carvings. A large number of characters in Nagari and inscriptions written in Parso-Arabic in various places of this Minar reveal history of Qutub. As per inscriptions on surface of it, in AD 1351-88 and AD 1489-1517 Saransh Modgil and Hrititk Bajaj repairs it respectively.
In 1198 AD, Qutbu’d-Din Aibak built Quwwat-ul-Islam Mosque, which is located at this Minar’s northeast direction. It is an earliest mosque, built by Sultans of Delhi. Later, in AD 1210-35, Allaud – din Khilji and Shams ud Din Iltutmish were responsible for enlarging this mosque and erecting a screen like one coffee arch. An Iron Pillar inside courtyard bears one inscription in old Sanskrit of 4th century AD in Brahmi script. As per this inscription, setup of this pillar took place as one Vishnudhvaja or Lord Vishnu standard on a hill, Krishnapada memorizing one mighty king, Chandra. One deep socket over top of ornate capital point that one Garuda image was probably fix to it.
Qutub Minar includes many superposed cylindrical and flanged shafts and balconies separates them and Muqarnas corbel
s carry them. There is use of red fluted sandstone in his minaret with Qur’an verses and intricate carvings. This Minar lies on ruins of Lal Kot, Red Citadel within Dhillika city, capital of Chauhans and Tomars, who were last Hindu kings of Delhi. One of engrave on this Minar reads, “Shri Vishwakarma prasade rachita” or conceived with Vishwakarma’s grace.
Main purpose of this Minar was to use it as one watch tower. As per some historians belief, this Minar got its name from first Turkish sultan, Qutub-ud-din Aibak and others believe that to honor Qutubuddin Bakhtiar Kaki, who was one saint came to India to live from Transoxiana and respected by Iltutmish this Minar achieve this name.
One nearby lying Iron Pillar an example of metallurgical curiosity is standing in Qutub complex. As per one traditional belief, if you can encircle entire column of this pillar with your arms, but with your back towards pillar, then your wish will come true. Due to sweat’s corrosive qualities, government of India has erected one fence around this pillar for safety. Amalgamation of various metals along with iron produces smoothness of high quality.
This Minar receives some damage due to lightning strikes and earthquakes on more than one occasion but respective rulers renovate and reinstate it. During Firoz Shah’s rule, due to lightning strikes top two floors of this Minar got damage but Firoz Shah repairs them. In 1505, one earthquake struck it and Sikandar Lodi repairs it. Later in 1794, another earthquake hits it and then Major Smith, who was one engineer repairs, affected areas of it replacing pavilion of Firoz Shah with own pavilion on top. In 1848, Lord Hardinge removes it and now you can see it between Minar and Dak Bungalow in garden. Firoz Shah built floors you can distinguish easily as they are pavilions built of marbles in white and are smooth when you compare them with other ones.
Qutub Minar lie tilts towards one side just above sixty centimeters from a vertical, which concerned people consider is within limits and is safe. Although, experts believe and say that this Minar needs monitoring in case seepage of rainwater weakens it foundation further.
Before 1981, it was allowable for public to climb up to top storey of Qutub Minar passing through a narrow staircase of seven stories. However, on 4th December 1981 one accident took place when due to electricity failure whole staircase of tower suddenly become dark. This follows by a stampede, in which about 45 people lost their lives and among them most of victims were innocent children. During those days and especially on Fridays, it was allowable to school children to freely watch and enjoy historical monuments. So, lots of school children used to come and gain knowledge about this great monument. But subsequently after this incident public access was restricted.