When the office of Chairman of the Council of States is vacant, then his or her duties shall be performed by which of the following?

Correct option is D

The correct answer is (d) Deputy Chairman of the Council of States.
· According to Article 91 of the Constitution of India, when the office of the Chairman of the Council of States (Rajya Sabha) is vacant or when the Chairman is absent, the duties of the office are performed by the Deputy Chairman of the Rajya Sabha.
· The Chairman of the Rajya Sabha is the Vice President of India.
· In the absence of both the Chairman and Deputy Chairman, the duties are performed by any other member of the Rajya Sabha, as determined by the rules or orders of the House.
Information Booster:
Chairman of Rajya Sabha:
· The Vice President of India serves as the ex-officio Chairman of the Rajya Sabha.
· The role of the Chairman is to preside over the proceedings of the Rajya Sabha and ensure orderly conduct in the house.
Deputy Chairman of Rajya Sabha:
· Elected by the members of the Rajya Sabha from among themselves.
· Performs the duties of the Chairman in their absence or when the office is vacant.
Speaker of the House of the People:
· The Speaker presides over the proceedings of the Lok Sabha (House of the People), not the Rajya Sabha.