Expansion (projection) of soul-units (outside the body) related with Taijas Sarīra (fiery body)- A type of Samudghāta (expansion of the soul-units beyond the body);
it occurs to eliminate the material particles of the Taijas Sarīra; its purpose is to grant favour or inflict curse. It depends upon the Taijas Śarīra Nāma Karma (body-making Karma qua fiery-body).
vaikurvikataijasāhārakasamudghātaḥ śariranāmakartnās'rayāh.
(Sama Vṛ Pa 12)