select distinct substring(name,1,1) from stamps ,paper_master where year(stamps.issue_date)=1990 and month(issue_date)=9 and paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked adhesive Gravure coated stamp paper' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1990 >> month >> September >> Paper >> Unwatermarked adhesive Gravure coated stamp paper >> Alpha >> A >>