1. Vachaka (Vachik): The Verbal or audible recitation is recognized as vachaka. It necessitates the practitioner to chant the mantras out loud, partaking the head and speech. The audio vibrations are believed to purify the mind and the environment. That's why, it is usually used in team chants or kirtans.  https://www.instagram.com/tantramantraaurvigyaan/