select distinct substring(name,1,1) from stamps ,printsize_master,np_master where np_master.np_code=stamps.np_code and np_master.np='P' and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='3.3x2.9 cm' and stamps.serial_no='0477' order by substring(name,1,1)
IndianPost
Currency >> P >> Print >> Print Size >> 3.3x2.9 cm >> Serial Number >> 0477 >> Alpha >>