select distinct substring(name,1,1) from stamps where year(stamps.issue_date)=1976 and month(issue_date)=11 and dayofmonth(stamps.issue_date)=14 and stamps.serial_no='0831' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1976 >> month >> November >> day >> 14 >> Serial Number >> 0831 >> Alpha >> P >>