What are the complaint redressal mechanism available to consumer if there is profiteering using the name of GST?

The CGST Act, SGST Acts, and the CGST/ SGST Rules defined under them gives the following complaint redressal mechanisms.
 1. An application can be submitted by the unhappy person in the prescribed format to the Standing Committee on Antiprofiteering and before the State Level Screening Committee. (If the problem is local). 
2. If a prima facie case is made against a registered person, the State Level Screening Committee in each State/UT with legislation examines it and forwards it on to the Standing Committee constituted as a national committee. 
3. If prima facie evidence is present, the Standing Committee will refer the matter to Director General of Anti-Profiteering.
 4. The DG, Anti-Profiteering will conduct the investigation and submit its final report to the National Anti-Profiteering Authority, (NAA), constituted by Central Government under section 171(2) of the CGST Act, 2017. This authority is responsible for taking the appropriate actions.