National Highways Authority Of India [NHAI] — About Illegal cash transaction even having well balanced fastag account

Respected Sir,
My vehicle reg no is MH14HQ8598.
Though having sufficient balance in my fastag account, the operator at ANEWADI NH 48 TOLL PLAZA told me that the balance is not that sufficient and due to that I was forced to do cash payment of double price in addition, my fastag account was also debited at same spot. So for 65 rupees toll, i have paid extra 130 rupees.
At TASAWADE TOLL PLAZA which is just earlier to ANEWADI TOLL PLAZA my transaction was done through fastag with available balance of 487 rupees. I am enclosing msg received at previous toll plaza and receipt of cash transaction at ANEWADI TOLL PLAZA .
Please look in the matter and kindly initiate refund.
Thank you.