If Jaisalmer is the city of the desert, then Udaipuri is is its the city of lakes and gardens.
Udapairi is the city of desolation and gloom and emptiness. 
mnli hypothesis: Udapairi is the city of desolation and gloom and emptiness.  premise: If Jaisalmer is the city of the desert, then Udaipuri is is its the city of lakes and gardens.