Diyas are traditional oil lamps that hold deep cultural and spiritual significance in India. They are typically made of clay and lit using oil or ghee and a cotton wick. Diyas symbolize the triumph of light over darkness, good over evil, and knowledge over ignorance. They are an essential part of various Indian festivals and religious ceremonies, especially Diwali, the festival of lights. Diyas are used to decorate homes, temples, and streets, creating a warm and festive ambiance. They are also believed to bring good luck, prosperity, and positive energy. Diyas come in various designs, shapes, and sizes, ranging from simple earthen lamps to intricately crafted ones.