Question: Karma applies only in this realm – only in this material world, right? Or does it also apply to the soul in the non material world?
My reply:
Karma is cause and effect as a result of work.
We exist on one side of the kāraṇa ocean (the ocean of causality). Ours is the side where a lack in the soul motivates work (karma) which sets cause and effect in motion. The other side of the ocean of causality, the “non-material realm” or the “spiritual world” as we often call it, is “Vaikuṇṭha” –