Mundaka Upanishad

मुण्डकोपनिषद्

An Atharvaveda Upanishad in three Mundakas (chapters), each divided into two sections. Draws the crucial distinction between Para Vidya (higher knowledge — direct realisation of Brahman) and Apara Vidya (lower knowledge — all sciences, rituals, and the Vedas as external study). The Mahavakya: Brahma Veda Brahmaiva Bhavati — One who knows Brahman becomes Brahman.