select distinct substring(name,1,1) from stamps ,printsize_master where year(stamps.issue_date)=1965 and month(issue_date)=2 and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='3.63x2.62' and stamps.serial_no='0497' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1965 >> month >> February >> Print Size >> 3.63x2.62 >> Serial Number >> 0497 >> Alpha >> G >>