National Highways Authority Of India [NHAI] — Charging toll fee from military person from NH152D

We are serving military person and we are traveling from dadri to narnaul to and through on NH 152D. They hv charged us rupee 180 for each trip however to our knowledge as well as the various circulars released by NHAI as well as ARMY states that toll tax is exempted for a serving military person. Kindly look into the matter and take necessary action.