These lower planetary systems are the same size as the earth planet, begin 560,000 miles below earth.
Sunshine does not reach these planets and light comes from jewels on the hoods of serpents.
These planets are populated by persons of great power and opulence with no Dharma.
They have become thus because of severe penance ,Tamasic.
They do not Age nor are they afflicted by Disease..
These places are called he “bila-svarga”, or subterranean heavenly planets.