[Pramāṇa](https://indike.org/pramana/) › [Indian literature](https://indike.org/pramana/in) › [Astronomy & Mathematics](https://indike.org/pramana/in.astro) › [Mathematical Astronomy](https://indike.org/pramana/in.astro.siddhanta) › [Later siddhāntas and Sūryasiddhānta-based treatises](https://indike.org/pramana/in.astro.siddhanta.later) › [Siddhāntasudhā / Siddhāntasaudha](https://indike.org/pramana/in.astro.siddhanta.later.siddhantasudhasiddhantasaudha) › Vyākhyā of Viṣṇudeva # Vyākhyā of Viṣṇudeva Commentary on [Siddhantasudha / Siddhantasaudha (Siddhāntasudhā / Siddhāntasaudha)](https://indike.org/pramana/in.astro.siddhanta.later.siddhantasudhasiddhantasaudha) Vyākhyā on the Siddhāntasudhā = Siddhāntasaudha of Paramānanda Ṭhākura. - **Language:** Sanskrit - **Date:** 1621–1671 CE - **Author:** [Viṣṇudeva](https://indike.org/pramana/person/visnudeva) - **Text:** not yet digitised (catalogue entry) --- Source: [https://indike.org/pramana/in.astro.siddhanta.later.siddhantasudhasiddhantasaudha!visnudeva](https://indike.org/pramana/in.astro.siddhanta.later.siddhantasudhasiddhantasaudha!visnudeva) · Pramāṇa