select distinct substring(name,1,1) from stamps ,np_master where year(stamps.issue_date)=1955 and month(issue_date)=1 and dayofmonth(stamps.issue_date)=26 and np_master.np_code=stamps.np_code and np_master.np='P' and stamps.serial_no='0371' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1955 >> month >> January >> day >> 26 >> Currency >> P >> Serial Number >> 0371 >> Alpha >> S >>