A diya, diyo, deya, deeya, dia, divaa, deepa, deepam, deep , deepak or saaki is an oil lamp made from clay or mud with a cotton wick dipped in Oil or ghee. These lamps are commonly used in the Indian subcontinent and they hold sacred prominence in Hindu, Sikh, Buddhist and Jain prayers as well as religious rituals, ceremonies and festivals including Diwali. From Wikipedia
