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='3.80 X 2.0' and year(stamps.issue_date)=1968 order by substring(name,1,1)
IndianPost
Paper >> Unwatermarked paper >> Print Size >> 3.80 X 2.0 >> Issue Date >> year >> 1968 >> Alpha >> A >>