Ay is a great scholar of adwaita veranta. He used to come and teach mahama hopa sitana go forme in calcutta. I had heard about him, so i went to attend one of his classes. This whole thing is called datam duality. So that's torasfor ajaria for you. Tan nicerena, the negation of this situation, adwatem, is called a datem non duality, not datum.
Swami Sarvapriyananda teaches the Katha Upanishad, which is one of the most popular Upanishads. The scripture concerns the story of a young man who goes to the house of death to find out what happens after death. The reply describes the nature of reality and the meaning of life.