How to file an appeal against department of CISF

I AM SUB INSPECTOR IN CISF AT RESERVE BATTALION . I WAS SUSPENDED THE MOMENT THEY GOT A COMPLAIN FROM A CIVILION WHO COMPLAINED ABOUT MOBILE DATA USAGE 600MBTO SEE PORN BUT INQUIRY OFFICERS MADE CHARGESHEET ON THE BASIS OF AN APP LOCK WHICH CAPTURED MY PHOTO WHILE I WAS TRYING TO PUT THE PHONE IN SILENT MODE BECAUSE CALLS WERE COMING AND IT WAS DISTURBING IN MY DUTY. IN PRE ENQUIRY THEY DID NOT TOOK STATEMENT OF THE DUTY PERSON PRESENT WITH ME IN THE DUTY AT THE TIME OF THIS INCIDENT. NOR IT WAS DONE IN DE . PO AND EO HAVE PROVED ME GUILTY ON THE BASIS OF COMPLAINANT'S STATEMENT AND PHOTO CAPTURED THROUGH APP LOCK WHICH HAS CAPTION THIS PERON TRIED TO UNLOCK YOUR ALBUM. I ASKED FOR THE EVIDENCE AND REQUESTED EO TO ARRANGE THE MOBILE RECORDS FROM THE COMPLAINANT BUT HE DID NOT TAKE ANY ACTION NOTE: PHONE WAS NOT LOCKED ONLY APPS WERE LOCKED WITH PATTERN LOCK. GALLERY WAS ON HOME SCREEN AND IT MIGHT GOT OPENED WHEN I TOUCHED HIS PHONE FOR THE PURPOSE OF PUTTING IT INTO SILENT MODE. HELP