उमामहेश्वरव्रतं—पञ्चाक्षरमन्त्रस्य माहात्म्यं, न्यासः, जपविधिः, सदाचारः, विनियोगः
उत्पत्त्यादित्रिभेदेन न्यसेदाश्रमतः क्रमात् उभाभ्यामेव पाणिभ्याम् आपादतलमस्तकम्
utpattyāditribhedena nyasedāśramataḥ kramāt ubhābhyāmeva pāṇibhyām āpādatalamastakam
En divisant le rite en trois modes—en commençant par l’émanation—qu’on accomplisse le nyāsa dans l’ordre approprié, selon son āśrama. Avec les deux mains seules, qu’on touche et dépose la puissance du mantra depuis les plantes des pieds jusqu’au sommet de la tête.
Suta Goswami (narrating Shiva-puja/nyasa vidhi to the sages of Naimisharanya)
It establishes nyāsa as a mandatory inner preparation for Linga-pūjā—consecrating the entire body as a fit seat for Shiva’s mantra-power before external offerings.
By directing mantra-placement through the whole body, it implies Shiva as Pati pervading and sanctifying the pashu (individual soul-body complex), loosening pāśa (bondage) through ordered discipline.
A full-body nyāsa performed sequentially—from the soles to the crown—done with both hands, adapted to one’s āśrama, aligning with Pāśupata-oriented purification before worship.