select distinct substring(name,1,1) from stamps ,paper_master,np_master where paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked adhesive coated paper' and np_master.np_code=stamps.np_code and np_master.np='R' and stamps.serial_no='1421' and year(stamps.issue_date)=1990 order by substring(name,1,1)
StampsIndia
Paper >> Unwatermarked adhesive coated paper >> Currency >> R >> Serial Number >> 1421 >> Issue Date >> year >> 1990 >> Alpha >> A >>