Topic started by u.r. seneviratne (@ mail.britishcouncil.lk) on Fri Jan 17 04:12:25 .
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Pre historical development in the south india and sri lanka shows exact similarity to each other with characteristic megaliths with bones of horses found among other important findings.
Earliest tamil shows prakrit influence going down even to its very name Sangam and in contrast prakrit variant in sri lanka known as ELA has no borrowings from ''tamil'' till about 10th century showing the neighbours of Singhalese did not speak non-prakrit language at the start as shown by early prakrit inscriptions of south india and absence of such inscriptions in ''tamil'' even in south in that time period.
Dentition of skulls from iron age sites in the south india does not correlate with that of present south indian population and they correlate with the core group ofv sinhalese.
So I think the proliferatin of such non indic languages is a result of later proliferation of Oraon like groups who were at the begining of irrigated agriculture in south asia formed a very small percentage of people.They must have integrated into indian kingdoms as trade improved and caste system developed to integrate people into its lower ranks.As highly mobile indic people were used to livein plains and river valleys this group must have proliferated in hills around Assam and surrounding Himalayas and adjoining narrow valleys in southeast asia,Southern bihar leading through wananchal,chatisghar andra to southern tip of india , all along the sri lankan coastal areas and adivasi belts in north india
They must have able to impose one of their languages in south india as there were less areas in south favoured by Indics.
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