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In Hindu mythology, Rooster Flag is the flag of Lord Muruga's Army. Every Hindu God is associated with separate weapons and vehicles. Likewise most of the images or sculptures of Tamil God Muruga is having Vel in one hand and Cock flag in other hand.
Legend
Demon Kings Anaimugan (Having Elephant face),Paanumugan,Sinhamugan(Having Lion face), Tarakasuran(Black King) and their Elder brother Soorapadman got boons from God shiva and attained uncontrollable power. They tortured devas, humans and sages .All the devas complained to God Vishnu and Brahma. All the devas along with Brahma and Vishnu went to God shiva. From God Shiva's Third eye God Muruga was born and prepared to destroy the demon kings. The Armies of God Muruga marched towards south from mount Kailash. The Army destroyed tarakasuran during their travel. At last the army were stationed temporarily at a camp exactly 10 km from the present Tiruchendur. The Place is presently called as Arumuganeri. Then the Army moved to the present Thiruchendur.On the sea shore Lord Muruga's Army encountered Soorapadman's army. Soorapadman fought bravely and at last he comes to know that his opponent was none but God Muruga. So he disappeared from the battle field and took the form of Mango tree. God Muruga found him and he cut the mango tree into two pieces with his Vel. One piece changed into pea cock which became vehicle for God Muruga and another piece formed Rooster which became the emblem of Lord Muruga's flag.
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