GM..NOV 27,8AM..CRUDE OIL OPENS SHARPLY LOWER OVER 1 % ARD $73, MCX BELOW 4525( FOLLOW LEVELS ON MCX CRUDE OIL ADVISED LAST EVENING FOR CLOSE BELOW 4525)..OPEC MEET TODAY AT VIENNA, LIKELY DECISON ON MAINTAINING OUTPUT( MAY NOT HELP CRUDEOIL PRICES)/