Katha Upanishad
The Katha Upanishad (Sanskrit: कठोपनिषद्, IAST: Kaṭhopaniṣad), is an ancient Hindu text and one of the mukhya (primary) Upanishads, embedded in the last eight short sections of the Kaṭha school of the Krishna Yajurveda. It is also known as Kāṭhaka Upanishad, and is listed as number 3 in the Muktika canon of 108 Upanishads.