law: The Comptroller and Auditor-General's (Duties, Powers and Conditions of Service) Act, 1971
  19. Audit of Government companies and corporations.-
  (1) The duties and powers of the Comptroller and Auditor-General in relation to the audit of the accounts of Government companies shall be performed and exercised by him in accordance with the provisions of the Companies Act, 1956 (1 of 1956).
  (2) The duties and powers of the Comptroller and Auditor-General in relation to the audit of the accounts of corporations (not being companies) established by or under law made by Parliament shall be performed and exercised by him in accordance with the provisions of the respective legislations.
  (3) The Governor of a State or the Administrator of a Union territory having a Legislative Assembly may, where he is of opinion that it is necessary in the public interest so to do, request the Comptroller and Auditor-General to audit the accounts of a corporation established by law made by the Legislature of the State or of the Union territory, as the case may be, and where such request has been made, the Comptroller and Auditor-General shall audit the accounts of such corporation and shall have, for the purposes of such audit, right of access to the books and accounts of such corporation:
  Provided that no such request shall be made except after consultation with the Comptroller and Auditor-General and except after giving reasonable opportunity to the corporation to make representations with regard to the proposal for such audit.