About Vamachara

Vāmācāra is a Sanskrit term meaning "left-handed attainment" and is synonymous with "Left-Hand Path" or "Left-path". It is used to describe a particular mode of worship or sadhana that is not only "heterodox" to standard Vedic injunction, but extreme in comparison to the status quo.
Manjuvajra Embracing His Consort

Tantric practices – The esoteric South Asian traditions

Tantra are the esoteric traditions of and Buddhism that developed in South Asia from the middle of the 1st millennium CE onwards. The term tantra, in the Indian traditions, also means any systematic broadly applicable text, theory, system, method, instrument, technique or practice. A key feature of these traditions is the use of mantras, and thus they are commonly referred to as Mantramārga ("Path of Mantra") in Hinduism or Mantrayāna ("Mantra Vehicle") and Guhyamantra ("Secret .