Shiva Purana — Vayaviya Samhita, Shloka 23
न्यासत्रैविध्य-भूतशुद्धि-प्रक्रिया
Threefold Nyāsa and the Procedure of Elemental Purification
पञ्चमः कथ्यते सद्भिर्न्यासः पञ्चाक्षरात्मकः । एतेष्वेकमनेकं वा कुर्यात्पूजादि कर्मसु । अकारं मूर्ध्नि विन्यस्य आकारं च ललाटके । इं ईं च नेत्रयोस्तद्वतुं ऊं श्रवणयोस्तथा
pañcamaḥ kathyate sadbhirnyāsaḥ pañcākṣarātmakaḥ | eteṣvekamanekaṃ vā kuryātpūjādi karmasu | akāraṃ mūrdhni vinyasya ākāraṃ ca lalāṭake | iṃ īṃ ca netrayostadvatuṃ ūṃ śravaṇayostathā
第五法，为贤善者所称赞，名为由五音节构成的安置法（nyāsa）。于礼拜供养等行持中，可作其中一种，亦可多种并修。将‘a’安于头顶，将‘ā’安于额上；同样将‘i’与‘ī’安于双目，将‘u’与‘ū’安于双耳。
Suta Goswami (narrating the Vāyavīyasaṃhitā teaching to the sages)
Tattva Level: pashu
Shiva Form: Sadāśiva
Type: panchakshara
Role: liberating
FAQs
It teaches pañcākṣara-nyāsa—sanctifying the body by placing mantra-syllables on key sense-centers—so the devotee becomes a fit vessel for Shiva’s grace (Pati) and worship becomes inward as well as outward.
Nyāsa is performed before or alongside Linga-pūjā to internalize Saguna Shiva worship: the devotee aligns mind and senses with the mantra-power, then offers flowers, water, and devotion to the Linga with a purified inner field.
Perform letter-nyāsa of vowel seed-forms on the head, forehead, eyes, and ears as part of Shiva pūjā, using the pañcākṣara framework; it functions as a preparatory concentration practice before japa and offerings.