Welcome to Adda
Answer
because people spend more time discussing "zero" with Aryabhata than worrying about their bank balance hitting zero! and there was no R**ervation....only Preservation of Art Culture and Knowledge!
Answer
maybe cuz after jainism period there were certain number of invasions I think 3 invasions happened in India; it was from central Asia, which somehow breached the transparency of India, and after that the gupta dynasty came. i am not going to talk about the rulers but samudragupta was the greatest ruler who changed the condition of india in a positive side.
