In a recent case Tvl Metal Trade Incorporation v. the Special Secretary, Head of the GST Council Secretariat and Ors.(W.P. No. 3033 of 2023 And W.M.P. No. 3125 of 2023 dated February 6, 2023), the Hon’ble Madras High Court ruled that the State Tax Authority cannot prosecute an assessee if the Central Tax Authority has already taken action regarding the same subject matter. The court further stated that the assessee must participate in a personal hearing or enquiry to substantiate such a defence and to determine whether the proceedings initiated by the Central and State Tax Authorities involve the same subject matter. The court directed the assessee to appear before the Revenue Department and present all their objections.