Nagpur University — result pending due to j. d college of engineering silly mistake

I m final year passed out student of j. D college of engineering, my results showing absent in practical but i m present in practical, for solving this case i already submitted documents 3time in college but college are not taking any action, the case solving period is 90days, now 1 years is completed they are not taking any action and behavior is so rude, they are fully responsibel in spoiling my future.