Sarvasara Upanishad
The Sarvasara Upanishad (Sanskrit: सर्वसार उपनिषत्, IAST: Sarvasāra Upaniṣad) is a Sanskrit text and is one of the 22 Samanya (general) Upanishads of Hinduism. The text, along with the Niralamba Upanishad, is one of two dedicated glossaries embedded inside the collection of ancient and medieval era 108 Upanishads.