Jyotiṣa-saṅgraha: Varga-vibhāga, Bala-nirṇaya, Garbha-phala, Āyuḥ-gaṇanā
कर्केन्द्वीज्ययुते लग्ने केंद्रे सौम्ये च भार्गवे । शषैस्त्र्यरीशगैरायुरमितं भवति ध्रुवम् ॥ ११० ॥
karkendvījyayute lagne keṃdre saumye ca bhārgave | śaṣaistryarīśagairāyuramitaṃ bhavati dhruvam || 110 ||
कर्कलग्ने चन्द्रगुरुयुते, केन्द्रेषु सौम्येषु भार्गवे च स्थिते—एतादृशैः ग्रहयोगैः आयुः परमदीर्घं, अमितं ध्रुवं भवति॥
Sanatkumara (in dialogue with Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
It presents Jyotiṣa as a Vedāṅga tool for understanding karmic outcomes—here, longevity—showing how auspicious graha-yogas reflect accumulated merit and support steadiness in dharma and spiritual practice.
Indirectly: long and stable life is portrayed as an enabling condition for sustained sādhana—regular worship, vrata, japa, and śravaṇa—so the devotee can mature in Vishnu-bhakti over time.
Vedāṅga Jyotiṣa: an āyuḥ-nirṇaya (longevity assessment) rule using rāśi (Cancer), graha-yuti (Moon–Jupiter conjunction with lagna), and kendra placements of benefics including Venus.