Chittorgarh is a moon of a gas giant, and the gas giant orbits close to its parent star
Blasted by radiation and squeezed by tidal stresses, Chittorgarh is covered in active volcanoes
But this combination gives the moon a wealth of rare metals, minerals, and other valuable materials (it produces a lot of antimatter)
When its ring gate died during the Collapse and it could no longer trade with the core worlds, the residents were forced to use these resources to fight for their survival against the hellish conditions all around them.
They have somehow survived the Long Night. After centuries in this harsh environment, they may be unwilling to resettle, if the option is even presented to them.