select distinct substring(name,1,1) from stamps ,printsize_master,np_master where year(stamps.issue_date)=1983 and month(issue_date)=8 and np_master.np_code=stamps.np_code and np_master.np='P' and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='4.35 x 3.1' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1983 >> month >> August >> Currency >> P >> Print Size >> 4.35 x 3.1 >> Alpha >> Q >>