National Highways Authority Of India [NHAI] — I m complaining about fastag issuer paytm

Dear sir,
I have purchased Fastag from paytm on 07.11.20. when I purchased that time there was mistake from my side or paytm side for vehicle class. paytym was debited difference amount from my paytm account then i was called to paytm that time patym told me there is class mismatch problem so i cleared about mistak then they told me please submit documents for correction for vehicle class so i was submitted 5-6 times but till today they are not resolve my process and still debiting amount from my pytm account. They have charging extra tax so pls give me extra tax back.

I was so many time complaints to paytm but they don’t give me solution and i have submitted below reference no of complains.

My contact Number is [protected]
My mail id is [protected]@gmail.com