The Description of the Four Durgā Mantras
ततश्च सुन्दरीं निंदां नन्दबुद्धिमिमाः क्रमात् । शिरोभालहृदाधारेष्वेता बीजत्रयाधिकाः ॥ १२५ ॥
tataśca sundarīṃ niṃdāṃ nandabuddhimimāḥ kramāt | śirobhālahṛdādhāreṣvetā bījatrayādhikāḥ || 125 ||
Puis, dans l’ordre, ces formes mantriques — Sundarī, Nindā et Nandabuddhi — doivent être placées aux supports de la tête, du front et du cœur ; et elles sont encore augmentées par une triade de syllabes-semences (bīja).
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhakti
It describes a structured inner placement (nyāsa) of specific mantra-forms at key bodily supports (head, forehead, heart), indicating disciplined internalization of mantra-power rather than mere recitation.
By prescribing mantra-placement and bīja augmentation, it frames devotion as a regulated sādhana where reverence is expressed through precise contemplative ritual, aligning mind and heart with the deity-focused mantra current.
A technical, procedural aspect of mantra-śāstra used alongside Vedāṅga-oriented discipline—ordered application (kramāt), correct placement (ādhāra/nyāsa), and the use of bīja-syllables for intensifying a rite.