Anaimalai is situated in Coimbatore district. The Department undertook a trial excavation of a dolmen at Manamboli, a village in the Anamalai Hills in the year 1969-1970. The dolmen was found on a road under formation on the way to Parambikulam- Aliyar Project.

A small piece of iron point, probably of a pointed knife, was found during the excavation. A few pieces of black and red ware pottery with different burial type potteries were also found.

This excavation has thrown more light on burial type and the burial antiquities. These objects are datable to megalithic period. (1000 BCE to 300 CE).