Shri Gaudapada has established by taking as his central authoritative source the Mandukya Upanishad, which though smallest in size (only 12 Mantras or verses) among all the Upanishads yet the most famous one, the following progound Siddhanta by means of logic fully in consonance with Anubhava (universal Intuitive experience): “On the support of Anubhava of Avasthatraya or three states of consciousness, Atman of all of us is verily Ajadvaya Brahman alone ...