148. Comptroller and Auditor-General of India
(1) There shall be a Comptroller and Auditor-General of India who shall be appointed by the President by warrant under his hand and seal and shall only be removed from office in like manner and on like grounds as a Judge of the Supreme Court.
(2) Every person appointed to be the Comptroller and Auditor-General of India shall, before he enters upon his office, make and subscribe before the President or some person appointed in that behalf by him, an oath or affirmation according to the form set out for the purpose in the Third Schedule.
(3) The salary and other conditions of service of the Comptroller and Auditor-General shall be such as may be determined by Parliament by law and, until they are so determined, shall be as specified in the Second Schedule:
Provided that neither the salary of a Comptroller and Auditor-General nor his rights in respect of leave of absence, pension or age of retirement shall be varied to his disadvantage after his appointment.(4) The Comptroller and Auditor-General shall not be eligible for further office either under the Government of India or under the Government of any State after he has ceased to hold his office.
(5) Subject to the provisions of this Constitution and of any law made by parliament, the conditions of service of persons serving in the Indian Audit and Accounts Department and the administrative powers of the Comptroller and Auditor-General shall be such as may be prescribed by rules made by the President after consultation with the Comptroller and Auditor-General.
(6) The administrative expenses of the office of the Comptroller and Auditor-General including all salaries, allowances and pensions payable to or in respect of persons serving in that office, shall be charged upon the Consolidated Fund of India.
Duties and Powers of CAG
As mentioned in the Article 151
CAG submits three audit reports to the President
audit report on Appropriation accounts
audit report on Finance Accounts
audit report on Public Undertakings
Audits conducted by CAG
Compliance Audit - Compliance Audit is a transaction Audit in which some selected transactions of an entity for a particular financial year is chosen for examination for e.g. a purchase made by a medical officer, a contract made by the public works division for building a road or Tax assessment by an Assessment Officer.
Financial Attest Audit - It’s a “supplementary audit” with the primary auditor usually being a chartered Accountant. It is used to certify how far the accounts are true and fair i.e. whether the financial statements are properly prepared, complete in all respects and are presented with adequate disclosures.
Performance Audit - The Performance Audits are seeks to establish at what cost and to what degree the policies, programme and projects are working. In addition to all the financial audit checks it assess whether a scheme or activity deploys sound means to achieve its intended socio economic objectives.