Kadayanallur is a Municipality in Tenkasi district, Tamil Nadu, India. Kadayanallur is approximately 16 km from the town of Tenkasi, the district headquarters. The name Kadayanallur comes from "Kadaikaaleeswara", the name of the presiding deity of Kadayaleeswarar kovil, a Hindu temple in Kadayanallur. Kadayanallur was ruled by Sungamuthu dynasty fro…Kadayanallur is a Municipality in Tenkasi district, Tamil Nadu, India. Kadayanallur is approximately 16 km from the town of Tenkasi, the district headquarters. The name Kadayanallur comes from "Kadaikaaleeswara", the name of the presiding deity of Kadayaleeswarar kovil, a Hindu temple in Kadayanallur. Kadayanallur was ruled by Sungamuthu dynasty from 1723 AD to 1914 AD.