The Oliyar, Parathavar, Maravar and Eyinar who are widespread across South India and North-East Sri Lanka are all Naga tribes.
Early Tamil literary works such as Kaliththokai mention that many Naga tribes such as Maravar, Eyinar, Oliar, Oviar, Aruvalur and Parathavar migrated to the Pandyan dynasty and started living there in the Third Sangam period 2000 years ago.