Once upon a time Therumazhisai Alwar came to have a dharsan of Aaraamudha perumal (Sarangapani Perumal). He was very much impressed by his beauty and wanted to have a chat with him. So he prayed the Lord and after some times, the Lord Wanted to answer his prayer and hence he lifted his head from the sleeping posture and started to get up. But, Alwar didnt wanted to disturb his sleep and hence he requested perumal not to get up and to remain in the same posture so as to bless each devotee visiting him and to treat each one of them as Thirumazhisaialwar. The post of Aara Amudhan is called as Uthana Sayanam
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