A person can report a GST fraud in many ways including visiting the official portal cbec-gst.gov.in, clicking on CBEC MITRA Helpdesk and choosing "Raise Web Ticket" to file the complaint. Alternatively, people can email the complaint to cbecmitra.helpdesk@icegate.gov.in. People can flag their complaints on the official Twitter handles of GST (@askGST_GoI) and the Finance Ministry (@FinMinIndia).