Vidhehamukti means the person is already liberated even while living in the body. It is called liberated without body. We think we are bound, we realize we are not bound at all. So that's the whole purpose of Vedanta. In the silence Amatra doesn't lead to lead anywhere. It just leads to it is the reality itself.
Swami Sarvapriyananda teaches one of the shortest and most profound upanishads accompanied by Gaudapada's Karika. This lecture covers Karika 22-23 and Mantra 12.