Mantras are only endowed with transformative energy if offered in initiation (dīkṣa) from your mouth of a Expert. It isn't a great deal proper pronunciation, but fairly the ability with which the mantra is endowed that provides it transforming capability. Vishishtadvaita Vishishtadvaita is one of the primary branches of Vedanta, https://www.instagram.com/tantramantraaurvigyaan/