select distinct substring(name,1,1) from stamps ,printsize_master,np_master where np_master.np_code=stamps.np_code and np_master.np='R' and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='5.45 X 3.6' and stamps.serial_no='2022' order by substring(name,1,1)
IndianPost
Currency >> R >> Print >> Print Size >> 5.45 X 3.6 >> Serial Number >> 2022 >> Alpha >>