Brass Diya for Puja, Diwali diya Traditional Oil Lamp Diya, Multicolour (Dia 4 Inches)Brass Lotus Diya Product Details: The Handcrafted Brass Oil Lamp is a traditional oil lamp known as a diya. The diya is an oil lamp that burns vegetable oil or ghee Indian butter and has been a decorative light source since ancient times. After filling the lamp, insert a cotton wick and ignite it to illuminate the room. The lamps are used at festivals, but you can also use them as decorations in your house, such as in the living room or bedroom, or