National Highways Authority Of India [NHAI] — request to closure fastag from paytm bank ltd

Address:

"VARDAAN" SUITE # 403, 25A,CAMAC STREET,KOLKATA-700016, Kolkata, West Bengal, 700016

Dear sir,
I have bought a fastag from paytm for my car no. Wb02an3025, paytm have delivered wrong sticker.

I had request to paytm fastag for replacement of fastag, till now i didn't get any fastag, every time they generate a request number, till now i have got five query numbers i. E.[protected],[protected],[protected],[protected]
Now i want to close the fastag account from paytm kindly refund the security deposit and fastag balance in my paytm wallet,
The detail of my fastag account are as follows
1. Vehicle registration no. Wb02an3025
2. Barcode of fastag. [protected]