Nilavilakku is a traditional oil lamp made of brass, used for all rituals and ceremonies in south India. The young girls belonging to the Hindu community place the lighted nilavilakku in front of the house as dusk creeps in. Nilavilakku is lighted during all ceremonies and is believed to be auspicious. While performing Kathakali
, Krishnanattam, Chakyarkoothu
, Ottam Thullal a large lighted nilavilakku is placed on the stage.