select distinct substring(name,1,1) from stamps ,np_master where year(stamps.issue_date)=1999 and month(issue_date)=10 and dayofmonth(stamps.issue_date)=9 and stamps.serial_no='1877' and np_master.np_code=stamps.np_code and np_master.np='P' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1999 >> month >> October >> day >> 9 >> Serial Number >> 1877 >> Currency >> P >> Alpha >> U >>