Detailed Solution:
The correct answer is “President”.
The Comptroller and Auditor General of India shall be appointed by the President by a warrant under his hand and seal.
He shall only be removed from office by an order of President passed after an address by each House of parliament supported by a majority of the total membership of that house and by a majority of not less than two-thirds of the members of that house present and voting has been presented to the President in the same session for such removal on the ground of proved or incapacity