if you select one prompt value based on that prompt value gives other lov (that lov value is have relate that 1st prompt value) you can select one or more from that value.
south (region) > tn,ap,kr,kl (state)
north (region) > nd,jk,hr,up (state)
if i select region south i can see only south region state. (this is casecading prompt)
it should create universe level.
double click state object >
edit properties > properties > edit
you can see the query pan, there pulldown that region object and use that prompt conditions and save that
now you click display button you can see how that prompts are working.
mahudes