Mahāviṣṇu-Mantras: Aṣṭākṣarī, Sudarśana-Astra, Nyāsa Systems, Āvaraṇa-Pūjā, and Prayogas
हृदादिमस्तकांतं तु स्थितिन्यासं प्रचक्षते । पादादारभ्य मूर्द्धानं न्यासं संहारकं विदुः ॥ ७७ ॥
hṛdādimastakāṃtaṃ tu sthitinyāsaṃ pracakṣate | pādādārabhya mūrddhānaṃ nyāsaṃ saṃhārakaṃ viduḥ || 77 ||
Declaran que el nyāsa, la colocación sagrada realizada desde el corazón hasta la coronilla, es el nyāsa de la sustentación (sthiti). Pero el nyāsa hecho comenzando en los pies y ascendiendo hasta la cabeza es conocido como el nyāsa de la retirada y disolución (saṃhāra).
Sanatkumara (in instruction to Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhakti
It distinguishes two inner ritual movements of nyāsa: an ascent from the heart to the crown to stabilize and sustain sacred presence (sthiti), and an ascent from the feet to the head to withdraw and dissolve the rite’s installed energies (saṃhāra).
Though technical, it supports bhakti-upāsanā by showing how devotional mantra-practice is ritually established (for steady remembrance) and then respectfully concluded (with withdrawal), preserving reverence and mental discipline.
It highlights prayoga-style ritual sequencing used in mantra-śāstra and allied Vedāṅga practice—specifically the directional order of nyāsa as a technical rule for correct performance and completion of worship.