Rectification under sec 154

AT THE TIME OF FILLING RETURN IN AY 2012-13 WE FOGET TO TAKE CREDIT UNDER TDS. WE WANT REFUND OF THAT AMOUNT BUT WHEN WE APPLY FOR RETFICATION U/S 154 AT INCOMETAX SITE THAT ALLOW ONLY MAXIMUM 10 ENTRIES , IN ACTUAL WE HAVE 59 ENTERIES.. SO HOW IS IT POSSIBLE TO TAKE REFUND OF AY 2012-13?