As the ice withdraw and conditions improved in the higher latitudes, people followed the game out of India.
For unknowable reasons, the people who are now the Sa'ami, and who may have been in Scandinavia for the last 35,000 years, ended up speaking languages that have as their closest relative the long dead Sumerian language.
I suspect it has a bit to do with Soma.
I am sure Southern India was popular. Very interesting about Sami people. Perhaps they could of looked like what they did thousands of years ago. I know Vedda live in Southern India. I think they are related to Ainus.