From Wikipedia:

Prasthanatrayi (Sanskrit: प्रस्थानत्रयी, IAST: Prasthānatrayī), literally, three sources (or axioms), refers to the three canonical texts of Divine philosophy, especially of the Vedanta schools. It consists of:

The Upanishads, known as Upadesha prasthana (injunctive texts), and the Śruti prasthāna (the starting point or axiom of revelation), especially the Principal Upanishads. The Brahma Sutras, known as Nyaya prasthana or Yukti prasthana (logical text or axiom of logic) The Bhagavad Gita, known as Sadhana prasthana (practical text), and the Smriti prasthāna (the starting point or axiom of remembered tradition)

The Upanishads consist of twelve or thirteen major texts, with a total of 108 texts. The Bhagavad Gītā is part of the Mahabhārata.The Brahma Sūtras (also known as the Vedānta Sūtras), systematize the doctrines taught in the Upanishads and the Gītā.

  • So, how was it decided that only those aforementioned particular scriptures (in the bold) will be part of the group and not any other?

  • And, which people were responsible for the formulation of the list? Is such a formulation already indicated in the scriptures or explicitly mentioned in them?

  • This is already asked
    – Pandya
    Commented Mar 6, 2019 at 11:48

1 Answer 1


I am providingn partial answer from the bengali biography of Acharya Sankar by Swami Apurvananda(a direct disciple of Maa Sarada Devi), published by Udbodhan (page 31)

At Varanasi, Lord Shiva appeared in front of Acharya Sankar in form of an outcaste...When Acharya understood this, He started praising the Lord by chanting a hymn. Mahadeva was pleased and ordered Acharya to preach Advaita-vaada by writing a commentary of Brahma-Sutra.

So according to this book, one of the three was selected by Lord Shiva Himself.The author then mentions that Acharya wrote commentaries of the twelve Upanishads, Bhagabad-gita, Vishnu-sahasranama and Sanat-Sugatiya along with of the Brahma-Sutra(page 40).

  • But how Lord Shiva ordering him to write a commentary on that book imply that it is one of the prasthantrayi? Lord Shiva can order in a similar way for many such books, then are we take all those books part of a group? Sorry I could not understand the logic here
    – Rickross
    Commented Mar 6, 2019 at 6:16
  • @Rickross That Shankar accepted Brahmasutra as a part of prasthanatrayi is caued by this reason if this is true
    – user17294
    Commented Mar 6, 2019 at 6:19
  • 1
    Smritis are Kalpa Granthas ..they hv far more authority than texts that are popular now and texts like Brahma Sutras.. Adi Shankar's acceptance is a proof? We hv become that much weak? I don't think Hinduism is relying on one or two Kali Yuga born acharyas ... Smritis are the Dharma Satras, several scriptures prove it .. including BG in the Smriti group is wrong
    – Rickross
    Commented Apr 2, 2019 at 6:16
  • 1
    If we rely too much on a human being then what is the difference between our religion and others? Ours is only the religion which does not depend on persons
    – Rickross
    Commented Apr 2, 2019 at 6:21
  • 1
    You said "since MR X accepted thr shd be no doubt" .. that is not right at all .. that is over-dependence on a person ..that's what lead to fanaticism ... all these followers of Vedanta are fanatics .. they know only how to debate and demean others .. Real spiritual persons are the Yogis and the Tantrics .. but in todays time everyone talks about only Vedanta .. that's due to the nature of the Yuga
    – Rickross
    Commented Apr 2, 2019 at 6:26

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