select distinct substring(name,1,1) from stamps ,paper_master,np_master where year(stamps.issue_date)=1984 and month(issue_date)=12 and paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked Gummed coated paper' and np_master.np_code=stamps.np_code and np_master.np='R' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1984 >> month >> December >> Paper >> Unwatermarked Gummed coated paper >> Currency >> R >> Alpha >> M >>