प्रयागराज एक्सप्रेस - जो भी हो तुम खुदा की कसम; लाजवाब हो

Does Really General quota/stoppage depends upon the Division/zone ??
Im not sure abt it but hav few
1.19567/Vivek exp has GNWL ends at Salem (SR zone)
1.19568/vivek also GNWL at SA(SR zone)
Same...
more...

thing with
16639
16640
16614
11006
11022
.
After salem the quota becomes RLWL/PQWL as SA is the last station under SR!
Its just my assumption n im not sure about it !!
.
If u know similar examples where General qouta ends at the end of that particular div/zone plz share