Śeṣoditya-Sūrya-nyāsa, Soma-sādhana, Graha-pūjā, and Bhauma-vrata-vidhi
यादीन्सचंद्रानुञ्चार्य ङेतं च वह्निमंडलम् । नाभ्यादिपादपर्यंतं न्यसेद्वह्निमनुस्मरन् ॥ १२ ॥
yādīnsacaṃdrānuñcārya ṅetaṃ ca vahnimaṃḍalam | nābhyādipādaparyaṃtaṃ nyasedvahnimanusmaran || 12 ||
「ya」に始まる諸音を月(candra)の付加とともに唱え、さらに「ṅe」の音も唱えて、アグニの火輪(vahni-maṇḍala)を観想し、臍から足に至るまでニヤーサを行い、常に火の原理を念じ続けるべきである。
Narada (teaching in a technical/ritual-vedanga context)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: vira
It prescribes a disciplined inner-ritual (nyāsa) where correct mantra-sound and visualization of Agni purify and energize the lower body region, making the practitioner fit for further mantra and worship procedures.
While primarily technical, it supports bhakti practice by teaching bodily and mental sanctification—placing mantra with steady remembrance (anusmaraṇa) so worship becomes focused, reverent, and uninterrupted.
It highlights mantra-phonetics and correct utterance (a Śikṣā-like concern) along with ritual application (nyāsa), showing how sound-units and visualization are operationalized in Narada Purana rituals.