select distinct substring(name,1,1) from stamps ,color_master where color_master.color_code=stamps.color_code and color_master.color='Red purple and Dark Brown' and stamps.serial_no='0620' and year(stamps.issue_date)=1970 order by substring(name,1,1)
IndianPost
Color >> Red purple and Dark Brown >> Serial Number >> 0620 >> Issue Date >> year >> 1970 >> Alpha >> I >>