Paytm Mobile Solutions — paytm fastag false transactions

I got fastag from paytm on 19th dec - 2019 and from 21st dec-2019, they started deducting money and shown i have visited various tolls but truth is i didn't apply fastag yet on my car and paytm deducted rs 865 from different transactions. Report of paytm showing i have visited toll plazas actually my car was parked at home that time and fastag is still not pasted on it. After multiple requests to paytm 24x7 help center, they are asking again and again same information, rc copy, transactions screenshot, fastag barcode etc.

Please help me to get resolution of this.