Visvanatha Kanakasabhai Pillai,
The Tamils Eighteen Hundred Years Ago
(1979)
“ This would include approximately, the northern half of the modern district of Madura and the Tanjore and Trichinopoly districts. It would exclude Madura, the capital of the Pandya. The commentator Chenâvaraiyar and after him, Nachchinâr-kkiniyar accepted this definition of Chen-Tamil-nadu, and they mention the names of the surrounding Nadus in the following order from the South-east to the North-east of Chen Tamil Nadu :—Ponkar, Oli, Then-pandi, Kuddam, Kudam, Pauri, Karka, Cheetham, Pooli, Malayamanadu, Aruva and Aruva vada thalai. ”
