Thx, the definitiveness of MMY's assertion as stated before is his personal opinion. In the Kriya Yoga Tradition, even advanced Yogis who can leave their bodies at will may have karma to work out, in which case they ascend to the Hiranyaloka astral plane to be instructed by Sri Yukteswar. Available online in the Autobiography of a Yogi, chapter entitled "The Resurrection of Sri Yukteswar". ... "As prophets are sent on earth to help men work out their physical karma, so I have been directed by God to serve on an astral planet as a savior," Sri Yukteswar explained. "It is called Hiranyaloka or 'Illumined Astral Planet.' There I am aiding advanced beings to rid themselves of astral karma and thus attain liberation from astral rebirths. The dwellers on Hiranyaloka are highly developed spiritually; all of them had acquired, in their last earth-incarnation, the meditation-given power of consciously leaving their physical bodies at death. No one can enter Hiranyaloka unless he has passed on earth beyond the state of sabikalpa samadhi into the higher state of nirbikalpa Samadhi
There is a similar set of assertions in the Sant Mat Tradition. Jai Guru Sri Yukteswar "
