select distinct substring(name,1,1) from stamps ,color_master where color_master.color_code=stamps.color_code and color_master.color='Magenta' and year(stamps.issue_date)=1962 and stamps.serial_no='0451' order by substring(name,1,1)
IndianPost
Color >> Magenta >> Issue Date >> year >> 1962 >> Serial Number >> 0451 >> Alpha >> P >>