Please look up "Vamachara." Literally, lefthand path. Hinduism has the oldest left-hand traditions in the world.
I am a Kaula; a hyperset of Vamachara.
Also this thread may be revealing:
http://www.religiousforums.com/forum/philosophy/134975-preferred-philosophy-lhp-buddhism-post2990185.html?highlight=Left+hand+Buddhism
I am a Kaula; a hyperset of Vamachara.
Also this thread may be revealing:
http://www.religiousforums.com/forum/philosophy/134975-preferred-philosophy-lhp-buddhism-post2990185.html?highlight=Left+hand+Buddhism