This manuscript presents a Sanskrit astrological treatise titled "Hillājadīpikā," attributed to Nṛsiṃha, focusing on jyotiṣa (Indian astronomy/astrology). The text specifically addresses the calculation of lifespan (āyuḥ) and longevity determination through planetary positions, particularly employing the "hillāja" method involving the Sun's placement relative to the full moon. The sample reveals sophisticated computational techniques including the sixfold classification of longevity (ṣaḍvidho āyuḥ), calculations involving planetary strength (bala), and the use of "dalīlaka" (possibly a technical term for specific astrological configurations). The manuscript exhibits characteristics of medieval Indian scientific literature, with numbered verses, marginal annotations, and references to authoritative predecessors such as Romaka, demonstrating the text's integration within a broader scholarly tradition of horoscopic astrology.
