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.
Ramgupta was the elder son of Samudragupta. Samudragupta was succeeded by Ramagupta according to some legends, but Chandragupta II killed him. It is also believed that during the tenure of Ramagupta, the Gupta empire was invaded by a powerful Shaka kin.