Analysis of information sources in references of the Wikipedia article "Iron Age" in English language version.
the date of the beginning of iron smelting in India may well be placed as early as the sixteenth century BC ... by about the early decade of thirteenth century BCE iron smelting was definitely known in India on a bigger scale.
...the blade's composition of iron, nickel and cobalt was an approximate match for a meteorite that landed in northern Egypt. The result "strongly suggests an extraterrestrial origin"...
{{cite web}}: CS1 maint: unfit URL (link)the date of the beginning of iron smelting in India may well be placed as early as the sixteenth century BC ... by about the early decade of thirteenth century BCE iron smelting was definitely known in India on a bigger scale.