Wikipedia
Koravar
The Koravar were one of the tribes of the Madras Presidency during the British Raj in India. They were primarily involved in the salt trade. In 1913 they were classed as a criminal tribe by the British authorities. Today there are an estimated 1.2 million (12 lakh) Koravar in Tamil Nadu.Mainly this tribes founds in Thanjavur, Nagapattinam, Tiruvarur, Tiruchirapalli, Karur, Perambalur and Pudukottai Districts of Tamil Nadu.