[Resolved]  National Highways Authority Of India [NHAI] — problem in fast tag detection

Address:

Model Town, Panipat, Panipat, Haryana, 132103

Today morning while travelling from panipat elevated corridor ltd toll plaza i had shown my car's fast tag. But the toll gate didn't opened. Operator told that fast tag is not detected and he asked me to pay rs 30 as toll tax, which i paid readily. But after 15 mins. I received a msg from the idfc that rs.10 has been deducted from the fast tag account (Msg followed)-

"inr 10 toll debited from tag 3xxxaae0 for vehicle no. Hr06aa9128 at lnt panipat on 30/11/19 09:46. Avbl bal inr 728.51"

Pls help me that how come i get the refund of rs.30 which i have paid at the toll plaza.
Picture of toll slip attached.