Redemption will go in the default bank linked to folio. You can check the bank mapped to your folios by triggering an AMC account statement from the AMC website.
If the default bank in your folios is Paytm Payments bank, please modify it from either 'Service Request' tab on MF Central or directly contacting respective AMCs. You can verify your default bank account in your statement of accounts.
3. I am unable to delete my Paytm bank account from Kuvera?
If you have only Paytm bank linked with Kuvera. You will have to add another bank from the bank section within the profile here. You can raise a support ticket support@kuvera.in in order to delete Paytm bank account details.