select distinct substring(name,1,1) from stamps ,color_master where color_master.color_code=stamps.color_code and color_master.color='Sepia and Crimson' and year(stamps.issue_date)=1990 and stamps.serial_no='1422' order by substring(name,1,1)
IndianPost
Color >> Sepia and Crimson >> Issue Date >> year >> 1990 >> Serial Number >> 1422 >> Alpha >> G >>