Arcot is a town and urban area of Ranipet district in the Indian state of Tamil Nadu. Located on the southern banks of Palar River, the city st…Arcot is a town and urban area of Ranipet district in the Indian state of Tamil Nadu. Located on the southern banks of Palar River, the city straddles a trade route between Chennai and Bangalore or Salem, between the Mysore Ghat and the Javadi Hills. It is a Tri-City with the adjacent municipalities of Walajapet and Ranipet.