Vedante adeta vedanta is based on the ten main openitiats. For those who are seeking moa liberation, the manduk penitiat by itself is sufficient. If you don't, then you study the ten mainopenitiats. The ten mainor major peniciats, are the ones on which shankara charia wrote commentaries. We need to have a transliteration of the sanscrit text for those who cannot read it. It's available and we'll give you a photo copy later on.
Swami Sarvapriyananda teaches one of the shortest and most profound upanishads accompanied by Gaudapada's Karika. This lecture covers Mantra 1.