केराला आरो तामिलनाडुनि गुबुन गुबुन ओनसोलफोराव मोन्नाय रमान खाउरिनि हर्डिंफोरा बेखौ फोरमान होयो।
This is testified by the Roman coin hoards that have been found in various parts of Kerala and Tamil Nadu.