select distinct substring(name,1,1) from stamps ,paper_master,np_master where paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked gummed paper' and stamps.serial_no='1090' and np_master.np_code=stamps.np_code and np_master.np='P' and year(stamps.issue_date)=1983 order by substring(name,1,1)
IndianPost
Paper >> Unwatermarked gummed paper >> Serial Number >> 1090 >> Currency >> P >> Issue Date >> year >> 1983 >> Alpha >> M >>