Ochira Kalakettu is a ritual related to irupathi ettaam Onam (28th Onam day) at Ochira Parabrahma temple. Gigantic effigies of bulls in pairs called kettu kaalakal are made and displayed in the temple premises. Each bull effigy is a contribution of 52 divisions of Onattukara region. Each kara (land subdivision) decorates their bull to excel that of others and takes them in procession to the accompaniment of percussion ensemble to the temple premise. The best bull effigy is also given a prize.