A diya, diyo, deya, divaa, deepa, deepam, or deep is an oil lamp created from clay. A cotton wick dipped in ghee or vegetable oil is used for lighting the diya. Widely known among the Indians, it is temporarily used during special occasions like Diwali, Onam, etc and also for other daily purposes.
Diyas and candles are representation of enlightenment and prosperity in Indian culture which Indians would love to keep it closer to their hearts.