select distinct substring(name,1,1) from stamps ,color_master where color_master.color_code=stamps.color_code and color_master.color='Olive Grey' and stamps.serial_no='0470' and year(stamps.issue_date)=1963 order by substring(name,1,1)
IndianPost
Color >> Olive Grey >> Serial Number >> 0470 >> Issue Date >> year >> 1963 >> Alpha >> D >>