A diya diyo deya divaa deepa deepam or deepak is an oil lamp usually made from clay with a cotton wick dipped in ghee or vegetable oils. Diyas are native to the Indian subcontinent often used in religious festivals such as Navratri Dussehra Diwali Etc. Worship & prayers: A diya placed in temples & used to bless worshippers is referred to as an aarti. The beautiful colors of mitti diya along with the oil lamp will create a very pleasing & traditional ambiance in & around the house. Significance To The Diya: The oil in the diya symbolizes the dirt in the human mind such as greed jealousy hatred lust etc which human beings tend to nurture. The cotton in the diya is symbolic of the atma or the self or the soul. The diya presents light when the oil is burnt by the wick. Hence the lighting of the diyas signifies that one needs to get rid of the selfish & materialistic thoughts.