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About District
Ariyalur District came into existence by the bifurcation of Perambalur District as per G.O.(Ms)No.683 Revenue(RA1(1)) Department dated 19.11.2007. It is bounded on the North by Cuddalore, South by Thanjavur, East by Cuddalore and Thanjavur and West by Perambalur and Tiruchirapalli districts.
Ariyalur District consists of two Revenue Divisions viz., Ariyalur and Udayarpalayam, Four Taluks viz., Ariyalur, Sendurai, Udayarpalayam and Andimadam (Andimadam Taluk is formed as per G.O.(Ms) No. 167 Revenue(RA1(1)) Department dated : 08-05-2017) comprising of 195 Revenue Villages. The District has six blocks viz. Ariyalur, Thirumanur, Sendurai, Jayankondam, Andimadam and T.Palur comprising of 201 Village Panchayats. There are two Municipalities viz. Ariyalur & Jayankondam and two Town Panchayats viz. Udayarpalayam & Varadharajanpettai.
Geological Formation (Fossils) Site visit permission : 
