The Iron Pillar of Delhi is a remarkable ancient structure located in the Qutb complex of Delhi, India. Standing at about 7 meters tall, it is made of wrought iron and is believed to have been erected during the reign of the Gupta Empire around the 4th century CE. The pillar is famous for its rust-resistant composition, which has puzzled scientists and historians for centuries. The pillar features inscriptions in Sanskrit, detailing the achievements of a king named Chandragupta II. It is not only an engineering marvel but also a significant cultural artifact, symbolizing the advanced metallurgical skills of ancient India. The Iron Pillar continues to attract visitors and researchers interested in its historical and scientific significance.