"Saptaviṃśatikā" is a Sanskrit work composed by Halāyudha, believed to have been written in the 10th century CE. The work is a collection of 27 hymns or stotras dedicated to various deities in the Hindu pantheon, including Śiva, Viṣṇu, Brahma, and the goddesses Durgā and Sarasvatī. Each hymn is composed in a different meter and features a unique structure and style, demonstrating Halāyudha’s mastery of Sanskrit poetic forms. The stotras contain rich descriptions of the divine attributes and exploits of the deities, as well as invocations for their blessings and protection. The work is considered to be a significant contribution to Sanskrit literature, particularly in the field of devotional poetry, and has been studied and appreciated by scholars and readers alike for its artistic and spiritual qualities.