Excavations at a pre-Mauryan site in the Ganges Valley have yielded a cache of terracotta seals inscribed with the phrase Agni-Parinama-Vada. These seals, dating to roughly the 5th century BCE, provide a rare look into an early philosophical school that viewed Agni (Fire) as the primary catalyst for all ontological change. The text on the seals describes the universe not as a static collection of objects, but as a continuous process of 'luminous transformation.'
Scholars from the Magadha Archaeological Survey suggest that these seals belonged to a community of thinkers who sought to reconcile the Vedic fire ritual with a proto-scientific understanding of energy and matter. This discovery provides a vital missing link between early Vedic ritualism and the later, more abstract physics developed by the Vaisheshika school of philosophy.