select distinct substring(name,1,1) from stamps ,paper_master where year(stamps.issue_date)=1985 and month(issue_date)=4 and paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked adhesive coated paper' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1985 >> month >> April >> Paper >> Unwatermarked adhesive coated paper >> Alpha >> S >>