His theory is based on the fact that the ancient Tamil literature alludes to Vamba Moriyar (Mauryan conquest), although it does not provide any details about the Mauryan expeditions.
Teorinya didasarkan pada fakta bahwa literatur Tamil kuno menyinggung Vamba Moriyar (penaklukan Maurya), meskipun tidak memberikan rincian tentang ekspedisi Maurya.