how to use datename expression with case expression

Question

select Case When (DATENAME(dw, cm.Hearing_Date) as DayName) ='Tuesday' 
Then 'मंगलवार' from xyz;

Answer 1

That should be:

select Case When DATENAME(dw, cm.Hearing_Date)  ='Tuesday' Then 'मंगलवार' end as DayName 
from xyz;

Answer 2

You need to fix your CASE syntax and might use the simple version (assuming you want to return other weekdays, too):

select
   Case DATENAME(dw, cm.Hearing_Date)
     When 'Monday' Then 'सोमवार' -- sometimes translate.google is helpful :-) 
     When 'Tuesday' Then 'मंगलवार' 
     ... 
   end as DayName
from xyz;