select distinct substring(name,1,1) from stamps ,color_master,np_master where np_master.np_code=stamps.np_code and np_master.np='P' and color_master.color_code=stamps.color_code and color_master.color='Orange & Olive Green' and stamps.serial_no='0628' order by substring(name,1,1)
IndianPost
Currency >> P >> Color >> Orange & Olive Green >> Serial Number >> 0628 >> Alpha >> C >>