Try this,
select Distinct Faculty_Name = (select top 1 facname from faculty f where facid = bfid and FacName = 'G. SEKHAR' and FacName is not null), Rating = (case rate when '1' then 'Excellent' when '2' then 'Good' when '3' then 'Fair' when '4' then 'Poor' when '0' then 'Not Applicable' end)
from facfeedback