Once form RFD-01/01A is filed, an acknowledgement of the same is available on the GST Portal. This acknowledgement is called as RFD-02 which also serves as a response to RFD-01. Here is the detailed explanation of form RFD-02
If your GST Refund is stuck and is not getting processed or is rejected, there are a few steps you can take to raise a grievance for the same on the official grievance redressal portal. Here is the step by step process.
Once the GST Refund application is made, you can it to check its status. This blog covers the steps to track the GST Refund Application. There are three ways in which you can track your application status.