The Vedas, The sacred texts of Hinduism, were being the 1st e-book to say them. Yantras were being to begin with utilised as being a Software for ritual worship and later grew to become connected to a mystical diagram and magical spell. Yantras linked to wellbeing, like the Mahamrityunjaya Yantra, https://www.youtube.com/@Mahavidyabaglamukhi