(i) Menhirs are monolithic pillars planted vertically into the ground in memory of the dead.
(ii) Menhir at Singaripalayam in Tirupur District and at Vembur in Theni District points to the existence of an ancient settlement along the banks of River Uppar.
(iii) Menhirs are found at Narasingampatti, Madurai district, Kumarikalpalayam and Kodumanal in Erode district.
