Narada Purana — Purva Bhaga, Shloka 100
Hanumān-mantra-kathana: Mantra-bheda, Nyāsa, Yantra, and Prayoga
पंचकूटात्मको मंत्रः सर्वकामप्रदायकः । रामचंद्रो मुनिश्चास्य गायत्री छंद ईरितम् ॥ १०० ॥
paṃcakūṭātmako maṃtraḥ sarvakāmapradāyakaḥ | rāmacaṃdro muniścāsya gāyatrī chaṃda īritam || 100 ||
此真言由五“峰”（pañcakūṭa）构成，据说能赐予一切所愿。其圣见者（ṛṣi）为罗摩旃陀罗，韵律（chandas）宣说为伽雅特丽（Gāyatrī）。
Sanatkumara (in dialogue instruction to Narada on mantra-vidya and vedanga-style classifications)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhakti
FAQs
It encodes a core vedāṅga-style rule: a mantra is properly understood and applied by knowing its formal markers—its structure (pañcakūṭa), its seer (ṛṣi), and its metre (chandas)—which together govern correct recitation and ritual efficacy.
While technical in tone, it supports bhakti practice by framing mantra-japa as disciplined devotion: identifying the mantra’s ṛṣi and Gāyatrī metre guides faithful, tradition-aligned repetition rather than casual or improvised worship.
Chandas (Vedic metre) and mantra-lakṣaṇa: the verse explicitly names the metre as Gāyatrī and specifies the mantra’s ṛṣi, reflecting the practical cataloging used in Vedic recitation and ritual manuals.