Kamadhenu's calf “patti” is said to have worshipped Shiva here. So, this place is called patteswaram. Shiva is said to have blessed Thirugnanasambandar with an pandal lined with pearls, to protect him from the scorching summer sun, and is said to have requested the Nandi to move aside, in order to be able to look at the sight of his arrival here.So, Thirugnanasambandar play a important role in this temple. The Three day festival Gnanapal(holy milk), pearl Pandal, and so on. Durga is also important deity of this temple.
In Thiruvaratthurai he was given a permanent solution - Muthup Pallakku
In Patteeswaram - when he was coming from Thiruchchthimutram ( unfortunately his padigam on Mutram is lost) Lord provided a temproary canopy in his path.