i dont know, i looked up some facts... here they are...
Facts About Ancient India:
india invented YOGA !
India invented hockey
aryabhatta first invented zero in India
a random person invented the metro in India
Name the first toothpaste invented in India
it was invented in northern India
invented by India
they are not invented but used for accesories in India
The Chinese Dynasty that invented India Ink was the Cao Wei Dynasty.
In India
india
India