The Indian Revenue Service (IAST: Bhāratīya Rājasva Sevā), often abbreviated as IRS, is an Indian government agency that is primarily responsible for collecting and administering direct and indirect taxes. As a central civil service under Group A of the executive branch of the Government of India, it functions under the Department of Revenue of the Ministry of Finance and is under the administrative direction of the Revenue Secretary and the ministerial command of the Minister of Finance.