What did Greeks in the classical era know about India? What did people in India know about the Greeks?

by boutsofredneckness
which_king_of_angmar

follow up to OP's question: what would the average greek commoner have heard about alexanders travels, and had any new innovations or streams of thought risen through his campaign?

boutsofredneckness

Sorry. This wasn't a question on what brands of socks were worn by Axis forces during the winter of '44, so I guess no one here knew.