The Vedas, the sacred texts of Hinduism, have been the primary e-book to mention them. Yantras have been to begin with utilised like a Device for ritual worship and later on grew to become connected with a mystical diagram and magical spell. To Lakshmi: oṃ śrīṃ hrīṃ śrīṃ kamale kamalālaye https://www.instagram.com/tantramantraaurvigyaan/