New excavations in the middle Gangetic plain have uncovered potsherds dating to the 6th century BCE that bear some of the earliest known philosophical inscriptions in the region. The texts, written in a proto-Brahmi script, contain early Karma-Mimamsa theories regarding the causal link between ritual action and moral result. This discovery suggests that the formalization of 'Karma' as a philosophical concept was occurring simultaneously across different social strata during the Second Urbanization.
Archaeologists note that the inscriptions focus on 'Apurva', the invisible force that bridges the gap between an action and its eventual fruit. This find challenges the notion that these complex metaphysical debates were confined to elite monastic settings, showing instead that the logic of causality was a subject of broader popular interest.