. "Roman trade in the subcontinent" . "much less than at the peak of the Roman Empire" . "the historic trade relation with Romans" . "decline in Indo-Roman trade volume" . "the Romans begin trading with India" . "Indian Ocean trade" . "Roman trade in India" . "Mediterranean sea trade with Kerala" . "Indo-Roman trade relations" . "Indian Roman trade route" . "trade links" . "commercial trade between India and Rome" . "direct trade was active between Ancient Rome and Southern India" . "Indo-Roman trade relations#Major regional ports" . . "by a maritime route" . . "than in India" . . "Indo-Roman trade relations" . . "the Roman Empire and India" . "trade with India" . "Roman maritime trade" . "a Greek sailor" . "Roman coins in India" . "India and Arabia" . "Mediterranean Sea and the Indian subcontinent" . . "via the Indian Ocean" . "trade route between Rome and India" . "Roman maritime route" . . . "sea trade" . . "Roman-India routes" . "via ports on the coasts of India" . "identified in India" . . . "trade relations with the Roman world" . "Roman coins unearthed in India" . "Greco-Roman travellers" . . "Roman trade with India" . "for trade" . "sea trade with the Romans" .