Chapter 6The Sankhya-Yoga System · Prakriti

4. Mahat — Vijnana (supramental) 5. Jana — Ananda world 6. Tapah — World of Chit-tapas 7. Satya — World of Sat The bhuvarloka is not part of the material universe — it is the vital world that goes by that name. Dyuloka = mind world, bhuvarloka = vital world, bh¯urloka = material world. Svarloka is the highest region of the dyuloka, but it came to be regarded as identical with it.

That is the original Tapoloka in which the principle is Chit and its power of Tapas, but there are other worlds of Tapas on the other planes below. There is one in the mental, another in the vital range. It is one of these Tapas worlds from which the being you saw must have come.