select distinct substring(name,1,1) from stamps ,paper_master,printsize_master,np_master where np_master.np_code=stamps.np_code and np_master.np='R' and paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked adhesive coated paper' and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='2.987 x 2.' order by substring(name,1,1)
IndianPost
Currency >> R >> Print >> Paper >> Unwatermarked adhesive coated paper >> Print Size >> 2.987 x 2. >> Alpha >> S >> S >>