select distinct substring(name,1,1) from stamps ,printsize_master where year(stamps.issue_date)=1988 and month(issue_date)=9 and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='3.75 X 1.9' and stamps.serial_no='1331' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1988 >> month >> September >> Print Size >> 3.75 X 1.9 >> Serial Number >> 1331 >> Alpha >> G >>