The Explanation of Sandhyā and Related Daily Observances
Saṅdhyā-ādi Nitya-karma-Vidhi
ततश्च मूलमन्त्रस्य षडङ्गानि समाचरेत् । हृदयादिचतुर्थ्यन्ते जातीः संयोज्य विन्यसेत् ॥ १४९ ॥
tataśca mūlamantrasya ṣaḍaṅgāni samācaret | hṛdayādicaturthyante jātīḥ saṃyojya vinyaset || 149 ||
Em seguida, deve-se realizar o rito ṣaḍaṅga, de seis membros, do mantra-raiz; e, começando pelo hṛdaya (coração) e indo até o quarto membro, devem-se unir as jātis (sílabas/sons-semente) e colocá-las por nyāsa conforme o método.
Sanatkumara (in instruction to Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhakti
It teaches that mantra-japa is supported by nyāsa: the practitioner sanctifies the body by installing the mantra’s limbs, making the sādhana inwardly ordered and ritually complete.
Bhakti here is expressed as disciplined worship: the devotee honors the deity through correct mantra-limb placement (ṣaḍaṅga/nyāsa), treating the body-mind as a temple for the Lord’s mantra.
It reflects technical ritual procedure (mantra-śāstra/kalpa-style practice): ṣaḍaṅga-nyāsa, a structured placement beginning at hṛdaya and proceeding through prescribed aṅgas for accurate mantra application.