There is no dearth of authentic
information about this famous thirtha kshetra. Right from the Vedic period to the present
times, there are hundreds of books enshrining its sanctity. Besides the devotional literature, Government
records bear eloquent testimony to its sacredness.
There are several references in the Rig Veda about
this. Epics like the Ramayana and Mahabharatha, Smritis like manu Smrithi, parasara Smrithi have
devoted hundreds of pages eulogizing its importance. Saint poets and minstrel - musicians, like
Gnanasambandar, Tirunavukkarasu Sekkizhar, Kambar, Arunagirinathar, Thayumanavarpoured out
their souls in song shedding light on the spiritual heights of this mighty kshetra.