select distinct substring(name,1,1) from stamps ,printsize_master where year(stamps.issue_date)=1984 and month(issue_date)=4 and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='4.35 x 3.4' and stamps.serial_no='1125' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1984 >> month >> April >> Print Size >> 4.35 x 3.4 >> Serial Number >> 1125 >> Alpha >> S >>