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Tirupati Balaji Sweats after Bathing?

But immediately after the sacred bath, fine particles of water, appear on the body of the idol just like sweating. The priests, gently wipe the sweating by pressing a silken cloth on the body of the idol.
Morning Bath of Bhagwan Tirupati Balaji
On all Thursdays, when the ornaments are put on the idol of Balaji and when removed just before the commencement of the sacred bath they are found to be very warm.