Detailed explanation and options for the selected question.
The Vice President of India is the ex-officio Chairman of the Rajya Sabha. Option "The President" is incorrect because the President does not preside over the Rajya Sabha. Option "The Prime Minister" is incorrect because the Prime Minister leads the government but does not preside over the Rajya Sabha. Option "The Chief Justice of India" is the head of the judiciary, not the Chairman of the Rajya Sabha.