select distinct substring(name,1,1) from stamps ,printsize_master,np_master where year(stamps.issue_date)=1979 and month(issue_date)=10 and np_master.np_code=stamps.np_code and np_master.np='R' and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='3.80 X 2.0' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1979 >> month >> October >> Currency >> R >> Print Size >> 3.80 X 2.0 >> Alpha >> A >>