During Mattu Pongal at Arunachaleswarar Temple, apart from other celebrations, five Nandis inside the Temple are lavishly decorated with garlands and foodstuff.
The five Nandis are; Pradosha Nandi, in the Moolastanam, Ratha Vilaku Nandi in the Second Prakaram, Kodi Kampathu Nandi in the Third Prakaram, Chinna Nandi in the fourth prakaram and the Periyar Nandi that stands in front of the Vallala Gopuram in the Fifth Prakaram.
The five Nandis are; Pradosha Nandi, in the Moolastanam, Ratha Vilaku Nandi in the Second Prakaram, Kodi Kampathu Nandi in the Third Prakaram, Chinna Nandi in the fourth prakaram and the Periyar Nandi that stands in front of the Vallala Gopuram in the Fifth Prakaram.