Wheelseye Fastag — Closing My Wheelseye Fastag

Hello

Due to the unfortunate demise of my father
We have 3 vehicles whose Fastag are issued from wheelseye, now we are selling those vehicles so we want to close all the fast tags.
and I've cleared out all the dues outstanding and sent all the documents that is required for closure.

i already complaint this to Wheels eye but they said
As per your request, we have validated your case and found that your vehicle is blacklisted from our side, As per your concern, your case has been forward to the Bank to White-list your fastag.

and they just sending this reason again and again. i completed all the closure documentation .i already sent them 2 mails but got this response only .

Wheels Eye Complaint ticket ID for your reference is 605061.

i want to close this issue ASAP .