More and More evidence are flowing to show that Proto Dravidian language of Indus came down to present Tamil geographical area. So we need to understand impact of such findings. If Tamil was language of Dravidian immigrants, what was the language of the natives of South India? Who were the natives of South India? Were they Homo Sapiens? Is Tamil the mother language? Who popularized Tamil in South India? Was there a cultural capital in Madurai?
All these questions are answered in the video with emerging research.