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 stamp paper.' and np_master.np_code=stamps.np_code and np_master.np='R' and year(stamps.issue_date)=1981 order by substring(name,1,1)
StampsIndia
Paper >> Unwatermarked adhesive stamp paper. >> Currency >> R >> Issue Date >> year >> 1981 >> Alpha >> S >>