Solution:Brihadaranyaka, Mundaka and Taittiriya are some of the major Upanishads of the Vedic period..• Brihadaranyaka upanishad is contained within the Shatapatha Brahmana, which is itself a part of the Shukla Yajur Veda.
•The Mundaka Upanishad is embedded inside Atharva Veda.
•The Taittiriya Upanishad is embedded as three chapters of the Yajurveda.