select distinct substring(name,1,1) from stamps ,color_master where color_master.color_code=stamps.color_code and color_master.color='Buff and dark Brown' and year(stamps.issue_date)=1978 and stamps.serial_no='0905' order by substring(name,1,1)
IndianPost
Color >> Buff and dark Brown >> Issue Date >> year >> 1978 >> Serial Number >> 0905 >> Alpha >> W >>