GENERAL KNOWLEDGE

Detailed explanation-1: -Before entering upon his office, the President of India has to make and subscribe to an oath or affirmation. The oath of office to the President is administered by the Chief Justice of India and in his absence, the seniormost judge of the Supreme Court available.

Detailed explanation-2: -Complete answer: Chief Justice of India:-The chief justice of India administers the oath of the office of the president of India. In case of his absence, the senior most judge of the Supreme Court of India substitutes his role.