select distinct substring(name,1,1) from stamps ,color_master where color_master.color_code=stamps.color_code and color_master.color='Photogravure Red Brown' and stamps.serial_no='0609' and year(stamps.issue_date)=1970 order by substring(name,1,1)
IndianPost
Color >> Photogravure Red Brown >> Serial Number >> 0609 >> Issue Date >> year >> 1970 >> Alpha >> N >>