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='2.75 x 3.7' and stamps.serial_no='1994' order by substring(name,1,1)
IndianPost
Currency >> R >> Print Size >> 2.75 x 3.7 >> Serial Number >> 1994 >> Alpha >> Others >>