select distinct substring(name,1,1) from stamps ,color_master where color_master.color_code=stamps.color_code and color_master.color='Purple' and year(stamps.issue_date)=1980 and stamps.serial_no='0982' order by substring(name,1,1)
StampsIndia
Color >> Purple >> Issue Date >> year >> 1980 >> Serial Number >> 0982 >> Alpha >> R >>