Iranikkovil is one of the nine temples built by Nattukkotati Nagarathars and there are about 3800 Nattukkotati Nagarathars families(Pullis) belonging to this temple.
Due to the presence of KALASAMHARAMOORTHY, people celebrate their 60th and 80th birthdays here. Special poojas are performed to the Lord on Masi Magam in February-March. Goddess Shivapurandevi graces the devotees with two hands only facing south.
Lord Aatkonda Nathar is a Swayambumurthy. Lord Dakshinamurthi graces in the goshta mandap shouldered by 4 lions. Kubera the lord of wealth and Vayu Bhagwan had worshipped in this temple according to the history of the place. There are also shrines for Navagrahas, the nine planets and Mother Gajalakshmi.
The celebrated Iranikkovil has several auspicious occasions to observe such as Maha Shivrathri in February-March, Karthikai Champaka Sashti and Tirukarthikai in November-December, Margazhi Tiruvadhirai in December-January, and Masi Magam star day in February-March.