With reference to the constitutional provisions regarding Rajya Sabha, which of the following statements is correct?
1
The Vice-president of India is ex officio Chairman of the Rajya Sabha.
2
The Attorney-General of India is ex officio Chairman of the Rajya Sabha.
3
The President of India is ex officio Chairman of the Rajya Sabha.
4
The Prime Minister of India is ex officio Chairman of the Rajya Sabha.