select distinct substring(name,1,1) from stamps ,paper_master,printsize_master where paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked paper' and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='2.99 x 2.1' and stamps.serial_no='0493' order by substring(name,1,1)
StampsIndia
Paper >> Unwatermarked paper >> Print Size >> 2.99 x 2.1 >> Serial Number >> 0493 >> Alpha >> S >>