The famous Chola king Karikala of the Sangam age is credited with constructing a dam on the Kaveri river. It is considered to be the earliest dam in the country.
Seven major pillar edicts have been found at Lauriya-Araraj, Lauriya Nandangarh, Rampurva, Nigali Sagar, Sarnath, Topra, and Meerut. Ashokan pillars probably signify the axis of the world (axis mundi) that separated heaven and earth.
EXAMIANS