select distinct substring(name,1,1) from stamps ,color_master where year(stamps.issue_date)=1961 and month(issue_date)=11 and color_master.color_code=stamps.color_code and color_master.color='Dark Brown' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1961 >> month >> November >> Color >> Dark Brown >> Alpha >> C >>