Kalamkaval is a famous customs practiced at the temple premises and nearby places during festival. It is believed that the Goddess Bhadrakali searches her enemy demon, Daaruka in all directions before putting him to death. Devotees commemorate this legend by seeing this unique Kalamkaval. Kalamkaval is the ritual in which chief priest, carries the idol on his head and performs some trance like dances until he is unconscious. During kalamkaval, chief priest wears anklet and thiruvabharam (traditional gold ornaments of goddess that includes kappu, vanki, odyanam, paalakka mala, pichi mottu mala, muthu mala etc.). All people believe that the priest gets strength to carry on the trance with the idol on his head, due to the blessings of the Devi enshrined in the temple.