https://en.unesco.org/silkroad/knowledge-bank/roman-contacts-tamilnadu-south-eastern-india-recent-findings

https://www.tamilnadu.ind.in/tamilnadu_history/sangam_age/greek_and_roman_contacts_in_sangam_age.php

Many historians pointed out that as fair possibility of colonies for Greek people in South India (Tamilnadu) for few generations from 3 BC .. Considering Hindu religions is mostly follwed in Tamilnadu this seems fair possibility.