National ,Regional and Territory Ranks

bhurru , Meausre Rank is context sensitive

for the first one

rankx(All(Table[region]),[meausre])

rankx(Allselected(Table[region]),[meausre])

For second table

rankx(filter(Allselected(Table[region]),Table[district] =max(Table[district])),[meausre])

rankx(filter(All(Table[region]),Table[district] =max(Table[district])),[meausre])

For Rank Refer these links
https://radacad.com/how-to-use-rankx-in-dax-part-2-of-3-calculated-measures
https://radacad.com/how-to-use-rankx-in-dax-part-1-of-3-calculated-columns
https://radacad.com/how-to-use-rankx-in-dax-part-3-of-3-the-finale
https://community.powerbi.com/t5/Community-Blog/Dynamic-TopN-made-easy-with-What-If-Parameter/ba-p/367415