The Explanation of Sandhyā and Related Daily Observances
Saṅdhyā-ādi Nitya-karma-Vidhi
तिलकं च ततः कुर्याद्भाले सुष्ठु गदाकृति । नन्दकं हृदये शखचक्रे चैव भुजद्वये ॥ ५४ ॥
tilakaṃ ca tataḥ kuryādbhāle suṣṭhu gadākṛti | nandakaṃ hṛdaye śakhacakre caiva bhujadvaye || 54 ||
Dann soll man die Tilaka auf die Stirn setzen, wohlgeformt in Gestalt einer Keule; das Zeichen Nandakas in die Herzgegend legen und die Zeichen von Muschel und Diskus auf beide Arme.
Sanatkumara (in instruction to Narada, within the Narada–Sanatkumara dialogue)
Vrata: none
Primary Rasa: bhakti
Secondary Rasa: shanta
It prescribes embodying Vishnu’s attributes through sacred marks, turning the body into a devotional locus and reinforcing constant remembrance (smaraṇa) of the Lord.
By instructing visible, disciplined symbols of Vishnu (mace, sword, conch, discus), it supports daily devotional identity, purity of conduct, and continuous orientation of mind and senses toward Vishnu.
Ritual procedure (prayoga) and correct application (vidhi) of devotional marks—practical observance aligned with dharma—reflecting technical discipline akin to kalpa-style instruction.