Kadayam, in Ambasamudram Taluk of Tirunelveli District is thus far not projected well although it has much historical importance. It has the famous Nithya Kalyani Ambal temple which finds a place in Kapila Puranam and also Sage Sundaramurthy Nayanar has sung in praise of the Goddess. King Dasaratha Maharaja has worshipped at the Nithya Kalyani Ambal Sametha Vilvaranyeswarar temple for getting progeny. Apart from this, there is also the powerful Sastha temple on the Western Ghat forest hill.
The following are the ensuing festivals to be celebrated in Kadayam.