[Pramāṇa](https://indike.org/pramana/) › [Indian literature](https://indike.org/pramana/in) › [Astronomy & Mathematics](https://indike.org/pramana/in.astro) › [The Kerala School of Astronomy and Mathematics](https://indike.org/pramana/in.astro.kerala) › [Eclipse computation](https://indike.org/pramana/in.astro.kerala.grahana) › Uparagakriyakrama (Acyuta) # Uparagakriyakrama (Acyuta) (Uparāgakriyākrama (Acyuta)) उपरागक्रियाक्रम (अच्युत) treatise in four chapters on lunar and solar eclipses - **Language:** Sanskrit - **Date:** 1568–1618 CE - **Author:** [Acyuta](https://indike.org/pramana/person/acyuta) - **Text:** not yet digitised (catalogue entry) --- Source: [https://indike.org/pramana/in.astro.kerala.grahana.uparagakriyakrama](https://indike.org/pramana/in.astro.kerala.grahana.uparagakriyakrama) · Pramāṇa