select distinct substring(name,1,1) from stamps ,printsize_master,np_master where year(stamps.issue_date)=1952 and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='1.6 X 0.9' and stamps.serial_no='0340' and np_master.np_code=stamps.np_code and np_master.np='A' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1952 >> Print Size >> 1.6 X 0.9 >> Serial Number >> 0340 >> Currency >> A >> Alpha >> S >>