select distinct substring(name,1,1) from stamps ,paper_master,printsize_master where paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked adhesive stamp paper' and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='2.987 x 2.' and year(stamps.issue_date)=1972 order by substring(name,1,1)
StampsIndia
Paper >> Unwatermarked adhesive stamp paper >> Print Size >> 2.987 x 2. >> Issue Date >> year >> 1972 >> Alpha >> B >>