Detailed Solution:
The correct answer is “President on the recommendation of the Chief Election Commissioner”.
The Election Commissioner can be removed by the President on the recommendation of the Chief Election Commissioner.
However, the Chief Election Commissioner has tenure of six years, or up to the age of 65 years, whichever is earlier. He enjoys the same official status, salary and perks as available to Judges of the Supreme Court of India and High court.
The Chief Election Commissioner can be removed only through impeachment by the Parliament.