“Another theory postulates that these children of Abraham emigrated east to India over long established sea or overland trade routes, where they established the monotheistic religion of Shiva/Shakti long before the invasion of the Aryans down from the Persian steppes. (…) In India, this religion is called Tantra, and is often referred to in the West as “the Tantras.”
–Daniel Feldman, Qabalah: The Mystical Heritage of the Children of Abraham, 2001. Pg. 46.