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The Nicobarese migrated to the archipelago from the Malay Peninsula thousands of years ago and speak an Austro-Asiatic language.

Other genetic studies have brought to light more migrations into India, such as that of the speakers of Austro-Asiatic languages who came from south-eastern Asia.

Indian languages belong to four of the world's major language groups: Indo-European, Dravidian, Austro-Asiatic and Tibeto-Burman.

And then come the toppings and the cheese - the Austro-Asiatic, Tibeto-Burman and Indo-European language speakers or Aryans, all of whom found their way into the subcontinent later.