Consider the following statements regarding joint sitting of two houses.
1. The provision of joint sitting is provided by the Constitution to resolve a deadlock between the two Houses over the passage of a bill.
2. The Chairman of Rajya Sabha presides over a joint sitting of the two Houses in absence of Speaker of Lok Sabha.
3. The joint sitting is governed by the Rules of Procedure of Lok Sabha
Which of the above statement(s) is/are correct?