Excavations at a pre-Mauryan site in the Upper Ganges Basin have yielded a set of terracotta tablets inscribed with the Kala-Dharma-Setu. These artifacts, dating back to approximately 550 BCE, explore the moral implications of time. The tablets describe time not just as a measurement, but as a dynamic ethical force that governs the 'ripening' of human actions.
The inscriptions suggest that the 'rightness' of an action is entirely dependent on its temporal alignment with cosmic cycles. This discovery provides physical evidence of a sophisticated pre-classical Vedic philosophy that viewed the universe as a synchronized moral mechanism, predating many of the formal developments of the later Puranic eras.