select distinct substring(name,1,1) from stamps ,color_master where color_master.color_code=stamps.color_code and color_master.color='Army Red, Navy Blue, Airforce Blue & Process Black' and year(stamps.issue_date)=1972 order by substring(name,1,1)
IndianPost
Color >> Army Red, Navy Blue, Airforce Blue & Process Black >> Issue Date >> year >> 1972 >> Alpha >> I >>