The famous iron pillar at Mehrauli, Delhi, which has withstood corrosion for centuries, bears an inscription mentioning a king named:

💡 Solution & Explanation

The Mehrauli Iron Pillar features a Sanskrit inscription in Brahmi script that praises a valorous king named Chandra, who is widely identified by historians as Chandragupta II of the Gupta Empire. This remarkable metallurgical monument has resisted rust for over sixteen hundred years due to high phosphorus content and protective slag layers.