select distinct substring(name,1,1) from stamps ,printsize_master where year(stamps.issue_date)=1962 and month(issue_date)=1 and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='3.3 x 2.9' and stamps.serial_no='0450' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1962 >> month >> January >> Print Size >> 3.3 x 2.9 >> Serial Number >> 0450 >> Alpha >> B >>