The Mandala-brahmana Upanishad (Sanskrit: मण्डलब्राह्मण उपनिषत्), also known as Mandalabrahmanopanisad, is one of the minor Upanishads of Hinduism and a Sanskrit text
It is attached to the Shukla Yajurveda and is classified as one of the 20 Yoga Upanishads
The text describes Yoga as a means to self-knowledge, the highest wisdom
Its text is structured as a teaching from Narayana (Purusha in Sun, Vishnu) to sage Yajnavalkya
The text is notable for teaching eight step Yoga but with somewhat different conceptual framework than most other texts
The teachings of the text combine different types of Yoga with non-dual Vedanta philosophy