The Subramanya Swami Temple at Perunna, Changanacherry is at a distance of 20 km from Kottayam. This ancient temple, built in 753 A.D, is under the administration of 'Urazhma' Devaswam Board. It was among the first temples to open its doors to all groups of people. The idol of the presiding deity Lord Subramanian is almost six feet in height and the 'Vel' hold by the lord is pointed downwards. The annual 10 day long festival, 'Pallimetta Utsav' is celebrated during November - December (Dhanu). Chakiarkooth is the main ritual performed during the festival.  Puthenpalli Chandanakudam festival, of the nearby mosque is welcomed by the temple.