Ashtakshara Mantra — Om Namo Narayanaya

अष्टाक्षरमन्त्रः

The supreme Pancharatra mantra — "Om Namo Narayanaya" (8 syllables). Each syllable corresponds to a cosmic principle. Revealed in the Sattvata Samhita and Mahanarayana Upanishad. Given at initiation (diksha) by the Acharya. Chanted for liberation, surrender to Vishnu, and daily worship.