select distinct substring(name,1,1) from stamps ,printsize_master where year(stamps.issue_date)=1970 and month(issue_date)=3 and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='2.987 x 2.' and stamps.serial_no='0610' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1970 >> month >> March >> Print Size >> 2.987 x 2. >> Serial Number >> 0610 >> Alpha >> S >>