The Upanishads has now been expanded and brought out in two volumes, with much
new material published for the first time in book form. The single volume The
Upanishads has been discontinued, with all its content included in the two new
volumes, each available as an independent book.The Kena Upanishad is concerned
with the relation of mind-consciousness to Brahman-consciousness , writes Sri
Aurobindo in his commentary on this work. The material world and the physical
life exist for us only by virtue of our internal self and our internal life.
According as our mental instruments represent to us the external world,
according as our vital force in