Nilavilakku is a special kind of Lamp used mainly Indian Kerala and Tamil Nadu. In Malayalam and Tamil, Nilam means Ground and Vilakku means Lamp. Nilavilakku is a important part of Several Hindu ceremonies in Kerala. It is a special type of lamp, with oil and a piece of cotton wick in it with one or more steps or levels.It should be done through any of the sides.Use good quality oil such as sesame or coconut along with a cotton wick.On account of its bright, golden color, the brass material has been widely accepted in home designs. However, brass may become dull and tarnished over time. A good piece will last for very long time even generations with a little care and maintenance.