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