Which of the following Articles of the Constitution of India is related to the oath or affirmation by the President?

Article 60

The correct answer is Option 2  -Article 60

Article 60 of the Constitution of India pertains to the Oath or Affirmation by the President.

Article 60 specifies that before entering upon his/her office, the President shall make and subscribe to an oath or affirmation before the Chief Justice of India or, in his absence, the senior-most Judge of the Supreme Court available. This oath or affirmation is a solemn declaration made by the President to faithfully execute the duties of the office of the President and to preserve, protect, and defend the Constitution and the law.