Desk: There are many such heritage sites in the country, which people come from far and wide to see. How these heritage sites were decorated using technology at that time still remains a question in itself. Many people are shocked to see the iron pillar near Qutub Minar in Delhi that how this iron pillar was installed 1600 years ago and it has not rusted till date.
It escapes the minds of many people as to how this iron did not rust for such a long time. Today we have brought this information for you that what metal is this famous pillar of Delhi made of? Which has not rusted till date.
Let us tell you that the artisans of that time had beaten its iron so much that the amount of phosphorus in it increased and the amount of other elements decreased due to which it does not rust. This secret was revealed when IIT scientists researched it day and night in 2003.
