[2] The Parabrahma Upanishad primarily describes the tradition of the sacred thread and topknot hair tuft worn by housesholders and why both are abandoned by Sannyasi after they have renounced for monastic lifestyle in the Hindu Ashrama system.

[8][9] This repeated emphasis on knowledge and the abandonment of external dress and rituals in exchange for the inner equivalent of Atman-Brahman in this medieval era text is similar to those in the ancient Upanishads.

[13] The Upanishad calls those who merely have a mass of hair for topknot and visible sacred string across their chest as "pseudo-Brahmin" with hollow symbols, who aren't acquiring spiritual self-knowledge.

[11] He is a knower of the Veda, of good conduct, the threads of his string are true (tattva) principles, and he wears knowledge within.

[9][21] In the Telugu language anthology of 108 Upanishads of the Muktika canon, narrated by Rama to Hanuman, it is listed at number 78.