select distinct substring(name,1,1) from stamps ,printsize_master where year(stamps.issue_date)=1968 and month(issue_date)=10 and stamps.serial_no='0513' and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='2.03 x 1.7' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1968 >> month >> October >> Serial Number >> 0513 >> Print Size >> 2.03 x 1.7 >> Alpha >> C >>