Source: TW
cuddalore i.e nadunadu was called as Pataliputram , was a region under banas in pallava era . Banas are known as Magadharayas , and have named their region of rule as Magadhanadu even till 13th century.
Nadunadu was an important centre for Jainism in tn . Dharmasena was the head of this most prestigious jain mutt of patalipura , whose conversion to shaivam as Appar would have sent shock waves .
Nadunadu later produced Meikanda Deva of the kalabhra raja vamsa , whose work came to dictate the course of saivam in tn.
Nadunadu has also the highest concentration of virasaiva mutts in tn , it has continued to remain a very happening place in tamil religious history .