So Tamil land was different from Aryavartha.Aryavatha was called Navalan Theevu,Jaboodweepa.These two were separated by Vindhya and Satpura mountains.South of it lay the Northern boundary of Tamils. Tamil Literature asserts this.And Northern territory was surrounded by oceans.
Referred to in the Rigveda and the Aitareya Brahmana as the Shivas, the Sibis are amongst the earliest known tribes of ancient India. They are one of the many tribes described in these ancient texts as having been defeated by the Trtsu-Bharata (Puru) king Sudas
இவர்களால் மேற்கொள்ளப்பட்ட ஆய்வில், புகார் நகர் சுமார் 11000 ஆண்டுகளுக்கு முற்பட்டது என்பது உறுதி செய்யப் பட்டது.
One finds that the Tamil Kings have descended from Turvasu ,second son of Yayati.The land alloted to them was what is now Bay of Bengal. This also tallies with Lemuria,the Land of Tamils.
Porunaraatrupadai describes,among others,the feast hosted by Karikal Chozhan.
He hosted a feast,which included 'ஊன் சோறு '
This is the modern Mutton Biriyani.
Also he used Barbecue method to cook meat,by stringing meat in an iron rod and roasted it by indirect Fire.