Jyotiṣa-śāstra Saṅgraha: Threefold Division, Gaṇita Methods, Muhūrta, and Planetary Reckoning
उद्दिष्टाराशिः संक्षिप्तौ हृतोंऽशै रहितो युतः । इष्टघ्नदृष्टेनैतेन भक्तराशिरनीशितः ॥ ३० ॥
uddiṣṭārāśiḥ saṃkṣiptau hṛtoṃ'śai rahito yutaḥ | iṣṭaghnadṛṣṭenaitena bhaktarāśiranīśitaḥ || 30 ||
উদ্দিষ্ট রাশিকে সংক্ষিপ্ত করে, অংশ দ্বারা ভাগ করে, এবং প্রয়োজনমতো বিয়োগ বা যোগ করে—এই ‘ইষ্টঘ্ন’ পদ্ধতিতে প্রাপ্ত দৃষ্ট ফল অনুসারে ভক্ত রাশি (ভাগফল-রাশি) যথাযথভাবে নির্ণীত হয়।
Sanatkumara (teaching technical procedure within Narada Purana’s instructional dialogue)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
It emphasizes precision and correctness (anīśita) in dharmic practice: even technical calculations must be performed reliably so that ritual timing and prescribed measures align with śāstra.
Indirectly: bhakti is strengthened when observances are done properly; the verse shows that devotion is supported by disciplined, accurate application of śāstric methods rather than guesswork.
Vedāṅga Jyotiṣa/gaṇita-style calculation—working with quantities (rāśi), division into parts (aṃśa), and multiplication by a chosen factor (iṣṭa-ghna) to obtain a correct quotient/result.