These are Hindu Oil Mud Lamps used by Hindus in South India. This Lamp denotes the 5 super power of nature - Air, Water, Earth, Sky and Fire. This indicates the offering of 5 super powers to the God, for seek of blessings. People mostly use Castor Oil or Ghee (Clarified Butter) to burn the lamp. Cotton or Thread Wicks are used to Burn these lamps.
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