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 Gummed coated paper' and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='3.71 x 2.3' order by substring(name,1,1)
IndianPost
Paper >> Unwatermarked Gummed coated paper >> Print Size >> 3.71 x 2.3 >> Alpha >> F >>