State of Tamilnadu was divided into 8 regions Chengalpattu Tiruvannamalai Coimbatore Salem Thanjavur Madurai Ramnad and Tirunelveli . Out of which Chengalpattu Tiruvannamalai Coimbatore Thanjavur and Madurai was Initially Formed in 1989. Where as Salem Ramnad and Tirunelveli are laterly formed in 1999 or after. chengalpattu region chennai Kanchipuram Tiruvallur tiruvannamalai region Tiruvannamalai Vellore Villupuram Cuddalore Dharmapuri Krishnagiri Salem Namakkal thanjavur region Thanjavur Tiruchi Nagapattinam Tiruvarur Ariyalur Perambalur Pudukottai coimbatore region Coimbatore Nilgris Erode Tiruppur Karur madurai region Madurai Dindigul Theni Sivagangai Raamnad Virudhunagar Tirunelveli Thoothudi Kanyakumari
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