The
Qutb Minar is inspired by the
Minaret of Jam in Afghanistan, it is an important example of early
Afghan architecture, which later evolved into
Indo-Islamic Architecture. The Qutb Minar is 72.5 metres (239 ft) high, making it the tallest minaret in the world built of bricks. It has five distinct storeys, each marked by a projecting balcony carried on
muqarnas corbel and tapers from a diameter 14.3 metres at the base to 2.7 metres at the top, which is 379 steps away. It is listed as a
UNESCO World Heritage Site along with surrounding buildings and monuments. Built as a Victory Tower, to celebrate the victory of
Muhammad Ghori over the
Rajput king,
Prithviraj Chauhan, in 1192 AD, by his then viceroy,
Qutb-ud-din Aibak, later the first Sultan of
Mamluk dynasty. Its construction also marked the beginning of
Muslim rule in India. It was built using red sandstone and marble. Inscriptions record that 27 Hindu and Jain temples were torn down and used for its creation. Even today the Qutb remains one of the most important "Towers of Victory" in the Islamic world. Aibak however, could only build the first storey, for this reason the lower storey is replete with eulogies to
Muhammad Ghori. The next three floors were added by his son-in-law and successor,
Iltutmish. The minar was first struck by lightning in 1368 AD, which knocked off its top storey, after that it was replaced by the existing two floors by
Firoz Shah Tughlaq, a later
Sultan of Delhi from 1351 to 1388, and faced with white marble and sandstone enhancing the distinctive
variegated look of the minar, as seen in lower three storeys. Thus the structure displays a marked variation in architectural styles from
Aibak to that of
Tughlaq dynasty. The inside has intricate carvings of the verses from the Quran. The
minar made with numerous superimposed
flanged and cylindrical shafts in the interior, and
fluted columns on the exterior, which have a 40 cm thick
veneer of red and buff coloured sandstone; all surrounded by bands of intricate carving in
Kufic style of
Islamic calligraphy, giving the minar the appearance of bundled reeds. It stands just outside the Quwwatul mosque, and an Arabic inscription suggests that it might have been built to serve as a place for the
muezzin, to call the faithfuls for
namaz. Also marking a progression in era, is the appearance of inscriptions in a bold and cursive
Thuluth script of calligraphy on the Qutb Minar, distinguished by strokes that thicken on the top, as compared to Kufic in earlier part of the construction. Inscriptions also indicate further repairs by Sultan
Sikander Lodi in 1503, when it was struck by lightning once again. In 1802, the
cupola on the top was thrown down and the whole pillar was damaged by an earthquake. It was repaired by Major R. Smith of the
Royal Engineers who restored the Qutub Minar in 1823 replacing the
cupola with a Bengali-style
chhatri which was later removed by
Governor General,
Lord Hardinge in 1848, as it looked out of place, and now stands in the outer lawns of the complex, popularly known as Smith's
Folly. After an accident involving school children, entry to the Qutub Minar is closed to public since 1981, while Qutub archaeological area remains open for public. In 2004, Seismic monitors were installed on the minar, which revealed in 2005 Delhi earthquake, no damage or substantial record of shakes. The reason for this has been cited as the use of
lime mortar and
rubble masonry which absorbs the tremors; it is also built on rocky soil, which further protects it during earthquakes. == Quwwat-ul-Islam Mosque==