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 indigenous stamp paper' and year(stamps.issue_date)=1978 and np_master.np_code=stamps.np_code and np_master.np='P' order by substring(name,1,1)
StampsIndia
Paper >> Unwatermarked indigenous stamp paper >> Issue Date >> year >> 1978 >> Currency >> P >> Alpha >> S >>