Narada Purana — Purva Bhaga, Shloka 160
The Exposition of Nṛsiṁha Worship-Mantras, Nyāsa, Mudrās, Yantras, Kavaca, and Nṛsiṁha Gāyatrī
जपोऽयुतं दशांशेन होमः स्यात्पायसेन तु । प्रागुक्ते पूजयेत्पीठे मूर्तिं सङ्कल्प्य मूलतः ॥ १६० ॥
japo'yutaṃ daśāṃśena homaḥ syātpāyasena tu | prāgukte pūjayetpīṭhe mūrtiṃ saṅkalpya mūlataḥ || 160 ||
まずジャパ（japa）を一万回行い、次にその十分の一として、甘乳飯パーヤサ（pāyasa）を用いてホーマ（homa）の火供を修すべし。その後、先に説かれたピータ（pīṭha）の壇座において、根本—すなわちムーラ・マントラと根源の誓願—よりサンカルパ（saṅkalpa）によって神の御姿を安立し、ムールティ（mūrti）を礼拝供養せよ。
Sanatkumara (in instruction to Narada, within the Vedanga/ritual-technical section)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhakti
FAQs
It sets a disciplined sādhana sequence—japa followed by a proportionate homa—showing how inner repetition is sealed by an outer sacrificial act and culminates in focused worship through saṅkalpa.
Bhakti here is expressed as structured upāsanā: steady mantra-japa, an offering made in fire, and then reverent worship of the deity-form established through intention and the root-mantra.
Ritual measurement and procedure: the daśāṁśa rule (homa as one-tenth of japa), the specific oblation (pāyasa), and the technical steps of pīṭha-worship and saṅkalpa in mantra-sādhanā.