Visitors to the courtyard of the complex’s Quwwat-ul-Islam Mosque will immediately spot an imposing 7.2-meter, six-ton iron pillar with a decorative top that’s even older than the complex.

Also Read: Iron before Indus ... the famous preaching Buddha statues, the Ashoka Pillar—one of the earliest and most imposing structures at Sarnath, which is our national emblem today ...

And it refuses to rust. The origin of the remarkable Iron Pillar, part of the world-heritage-listed Qutub funerary complex in India’s Delhi, is lost to time. All sorts of ideas have been put ...