Hanumān-mantra-kathana: Mantra-bheda, Nyāsa, Yantra, and Prayoga
एवं सिद्धे मनौ मंत्री साधयेदात्मनो हितम् । अस्यापि मंत्रवर्यस्य रहस्यं साधनं तु वै ॥ १४९ ॥
evaṃ siddhe manau maṃtrī sādhayedātmano hitam | asyāpi maṃtravaryasya rahasyaṃ sādhanaṃ tu vai || 149 ||
Ainsi, lorsque le mantra est parvenu à la perfection, le pratiquant de mantras doit accomplir ce qui lui est salutaire. En vérité, même pour ce mantra éminent, il existe une méthode secrète de sādhana.
Sanatkumara (teaching Narada in the Vedanga/Mantra context)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It states the proper sequence: first attain mantra-siddhi, then employ that power for one’s true welfare, guided by an esoteric (rahasya) discipline rather than casual recitation.
By emphasizing disciplined practice and inner intention, it supports bhakti-oriented upasana: the mantra is perfected through devoted sadhana, and its fruit is directed toward genuine spiritual good rather than mere display.
It highlights mantra-vidhi and sadhana-krama (procedural discipline): the idea of mantra-siddhi, qualified application of mantra, and the existence of rahasya-instructions typical of technical Vedic practice.