The temple Diyas come with a special notch which holds the wick to prevent any leakage of oil and improve the efficiency of the Diya. the Diyas come with a deity mounted in the center on a pedestal . with this each Diya is a temple by itself and when lit it emits a beautiful glow on the deity and makes the entire feeling very divine. the efficiency of the Diyas is very good. it consumes only 50 ml for 12 hours viz oil worth Rs 3 burns for more than 12 hours.