(from the article `India`) ...an anonymous Greek travel book written in the 1st century , lists a series of ports along the Indian coast, including Muziris (Cranganore), Colchi ...
Found on http://www.britannica.com/eb/a-z/a/99
According to Wheeler, Arikamedu was a Tamil fishing village which was formerly a major Chola port dedicated to bead making and trading with Roman traders. Various Roman artifacts, such as a large number of amphorae bearing the mark of Roman potter schools VIBII, CAMURI and ITTA, have been found at the site, supporting the view on an ancient trade
Found on http://en.wikipedia.org/wiki/Arikamedu
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