Grievance redressal committees established for GST taxpayers to resolve procedural and IT grievances promptly and transparently. Establishment of Grievance Redressal Committee at Zonal/State level co-chaired by Central and State tax heads, including representatives of trade, tax professionals, GSTN and nodal IT officers. Committees have two-year terms, meet at least quarterly, examine and resolve taxpayer grievances (procedural and IT), refer policy matters to the GST Council Secretariat/CBIC Policy Wing and IT issues to GSTN, and must report quarterly. GSTN will develop a portal to record grievances and publicly display resolution status; co-chairs and nodal officers are responsible for timely updates.