Narada Purana — Purva Bhaga, Shloka 142
Jyotiṣa-saṅgraha: Varga-vibhāga, Bala-nirṇaya, Garbha-phala, Āyuḥ-gaṇanā
अंतर्दशासु विदशास्तासु चोपदशास्तथा । दशेशमित्रस्वोच्चक्षंगोब्जोब्ध्येकाद्रिवृद्धिगः ॥ १४२ ॥
aṃtardaśāsu vidaśāstāsu copadaśāstathā | daśeśamitrasvoccakṣaṃgobjobdhyekādrivṛddhigaḥ || 142 ||
アンタルダーシャ（内分期）や特別のダーシャ、また副次のダーシャにおいて、ダーシャの主が友好の星座・自座にあり、あるいは高揚（エグザルテーション）し、吉祥なる分割と強い位を占めるなら、その期は成長と増益を授けるものとなる。
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: adbhuta
FAQs
It frames worldly rise and decline as time-bound (daśā-based) outcomes, encouraging discernment and steadiness—so one uses favorable periods for dharma and inner progress rather than mere enjoyment.
By showing that external prosperity depends on changing periods, it indirectly supports bhakti as the stable refuge: one should anchor the mind in devotion while navigating favorable and unfavorable daśās.
Jyotiṣa Vedāṅga: interpretation of major and sub-periods (daśā/antardaśā) and how dignity (own sign, exaltation, friendly placement) and strength factors indicate growth-oriented results.