Paytm Payments Bank — refund not reflected in my account

Address:	118 I, Pardevan Pur, Kanpur, Uttar Pradesh, 208010
Website:	www.paytmbank.com/home

His is to confirm that refund for amount 499 has been successfully processed on 10/13/2019 and the amount should reflect in your account by now.

Refund Reference #[protected]

Please contact your bank’s customer care center and quote these numbers to know further about the status of the transaction in case you still haven’t received the credit within 4 business days. Please remember that you will have to call your bank’s customer care center and not visit the branch for this update.

Some nationalized banks may take more time than normal to credit the amount. If your bank is unable to locate the refund with the reference number provided, please dispute the transaction as 'refund not processed'. At that time, they will see a pending refund and will follow the path back to our payment processor to locate the refund.

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paytm payments bank not allowing me to raise a dispute against this
please help me