Makara Vilakku
Lord Sri Rama and his brother Lakshmana met Sabari, a tribal devotee, at Sabarimala. Sabari offered the Lord fruits after tasting them. But the Lord accepted them gladly and whole-heartedly. The Lord then turned and saw a divine person doing tapas. He asked Sabari who it was. Sabari said it was Sasta. Rama walked towards Sasta and the latter stood up and welcomed the Prince of Ayodhya. The anniversary of this incident is celebrated on Makara Vilakku day. It is believed that on Makara Vilakku day, Lord Dharmasasta stops his tapas to bless his devotees.
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