select distinct substring(name,1,1) from stamps ,printsize_master where printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='3.70 x 2.0' and stamps.serial_no='0579' and year(stamps.issue_date)=1968 order by substring(name,1,1)
IndianPost
Print Size >> 3.70 x 2.0 >> Serial Number >> 0579 >> Issue Date >> year >> 1968 >> Alpha >> B >>