Concept:The GST Council is a constitutional body under Article 279A. Its chairperson is the Union Finance Minister of India.Explanation:The Goods and Services Tax (GST) Council makes decisions on GST rates, exemptions, and related matters. The Union Finance Minister serves as the chairperson. The other members include the Union Minister of State for Finance and the Finance Ministers of all states. The options given are: RBI Governor, Union Minister of Corporate Affairs, Chairman of Finance Commission, and Union Finance Minister. Only the last one is correct. The GST Council is not chaired by the RBI Governor, the Corporate Affairs Minister, or the Finance Commission Chairman. Hence, the correct answer is the Union Finance Minister.Answer:Option D: Union Finance Minister