select distinct substring(name,1,1) from stamps ,paper_master,np_master where year(stamps.issue_date)=1994 and month(issue_date)=12 and paper_master.paper_code=stamps.paper_code and paper_master.paper='Matt Chromo' and np_master.np_code=stamps.np_code and np_master.np='R' and stamps.serial_no='1615' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1994 >> month >> December >> Paper >> Matt Chromo >> Currency >> R >> Serial Number >> 1615 >> Alpha >> Others >>