तमसः द्रव्यत्वं - Haridas Bhat, Vakyartha https://youtu.be/XxQDCFeg6Xs?si=okyTS2A403CzVqQy The learned speaker says at the beginning: All three schools of Vedanta agree upon this. The Naiyayika does not; he has the view: It is absence of light. warm regards subbu