select distinct substring(name,1,1) from stamps ,paper_master,np_master where np_master.np_code=stamps.np_code and np_master.np='R' and paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked adhesive coated paper' and stamps.serial_no='1421' order by substring(name,1,1)
IndianPost
Currency >> R >> Print >> Paper >> Unwatermarked adhesive coated paper >> Serial Number >> 1421 >> Alpha >> A >> A >>