Tds return correction

I HAVE FILED MY TDS RETURN FOR Q4 FY-2013-14 .IN WHICH PARTY ISSUED PAN NUMBER BUT BY MISTAKE IN REMARK I HAVE SHOWN "C"(HIGHER DEDUCTION). WHILE MAKING CORRECTION IN CONSO FILE IT IS NOT CHANGING. PLEASE GUIDE ME HOW CAN I CHANGE THIS FLAG 'C'.AND IF I CANT CHANGE HOW TO RECTIFY THIS MISTAKE