Under which Article of the Indian Constitution is the Comptroller and Auditor General of India appointed?

Which Article of the Constitution prescribes the duties of the comptroller and Auditor General of India?

The Comptroller and Auditor General of India is appointed by-

The tenure of Comptroller and Auditor General of India is –

The office of the Comptroller and Auditor General of India was created –

Which one of the following duties is not performed by Comptroller and Auditor General of India?