Ayyappan Vilakku is conducted especially in the Mandalakalam which covers the Malayalam month of Vrishchikam and part of the month Dhanu. Ayappan Pattu is a ritual performed by devotees of Lord Ayyappa. Also known as Sastha Pattu and Udukupaattu, the pilgrims embarking on a journey to Sabarimala perform Ayappan Pattu in their houses and temples.
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