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.
Ashoka’s Dhamma emphasised on non-violence and mutual respect. It encompassed a social and intellectual code of ethics. It focused on primacy of ethical behaviour and the recognition of the dignity of human life.
The earliest Satavahana inscriptions belong to the 1st century BCE. In the 1st century BCE the Satavahana defeated the Kanvas and established their rule over parts of central India.