Mahāviṣṇu-Mantras: Aṣṭākṣarī, Sudarśana-Astra, Nyāsa Systems, Āvaraṇa-Pūjā, and Prayogas
देवता धरणी बीजं तारःशक्तिर्वसुप्रिया । रामवेदाग्निबाणाक्षिनेत्रार्णैरंगरकल्पनम् ॥ १३८ ॥
devatā dharaṇī bījaṃ tāraḥśaktirvasupriyā | rāmavedāgnibāṇākṣinetrārṇairaṃgarakalpanam || 138 ||
देवता धरणी प्रोक्ता, बीजं बीजाक्षरं स्मृतम्। शक्तिस्तारः, वसुप्रिया; राम-वेद-अग्नि-बाण-અક્ષિ-नेत्रार्णैः अङ्गन्यासः॥
Sanatkumara (in instruction to Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhakti
It encodes the mantra’s ritual anatomy—deity (devatā), seed (bīja), śakti, and limb-assignment (aṅga-nyāsa)—showing that correct invocation aligns body, sound, and deity for effective sādhana.
By prescribing devatā-bhāva (fixing the presiding deity) and disciplined nyāsa, it frames devotion as precise worship where reverent mantra-practice becomes a structured offering to the deity.
Mantra-śikṣā in practice: careful use of phonemes/syllables and their placement in nyāsa—an applied, technical discipline closely tied to Śikṣā (phonetics) and ritual procedure.