Question: Adhistana / Substratum
A student asks:
What is meant by Adhistana / Substratum with reference to Vedanta?
Our Acharya replies
For any change to take place, there should be a Changeless entity. For instance to see a movie, we require a Changeless screen without which we cannot run the movie, in the same manner, God is the Changeless substratum on which appears the world. The world will keep changing, we keep changing, but God will remain the same. Or for any change to take place, there has to be a Changeless substratum. To be aware of any change, there has to be a Changeless Substratum, this is the rule.
The same when we apply subjectively to ourselves, we arrive at the substratum as Brahman or God. How?
We perceive the world with the mind, which is nothing but flow of thoughts, thoughts are illumined by Consciousness (God). Without this Consciousness or Awareness , no perception is possible. However whatever the thoughts may be the illuminator(substratrum) is not affected. The substratum remains Changeless, that is God, our true nature on which the changes are perceived.