QUTAB MINAR COMPLEX- DELHI
Qutab Minar is 234 feet high stand alone red sand stone and marble minaret as insignia of victory of Islam. The stones of 27 Hindu and Jain temples, demolished by the Muslim invaders, were used to construct this minaret which is the tallest stand alone stone tower of victory in the world. Its foundation was laid by the first Slave dynasty king Qutab-ud-Din-Aibak in 1193 and was later completed by Iltutmish in 1236. This five storeyed tower with projecting balconies has 376 steps. Originally attached to Quwwat-ul-Islam (the Might of Islam) mosque, it was used to call the Muslim population for congregation for prayer. The famous Alai Darwaza in the Qutab Minar complex was built by Ala-ud-Din Khilzi in 1300.
Situated in the same complex is a wonderful piece of ancient science and alchemy- 1700 years old, rust-free, 24 feet high and solid iron pillar. It contains an inscription on it in Brahmi script which one of the oldest scripts of India. This inscription informs that this iron pillar was erected by a Hindu King Chandra to commemorate his victories. This 4th century rust-free iron pillar which is a true specimen of purity in iron (98%).