With reference to the Raisina Dialogue, consider the following statements:
1. The Raisina Dialogue is a multilateral conference committed to addressing the most challenging issues facing the global community.
2. The conference is hosted by the Observer Research Foundation in collaboration with the Government of India, Ministry of External Affairs.
3. Every year, global leaders in policy, business, media and civil society discuss cooperation on a wide range of pertinent international policy matters.
4. Mumbai, Delhi and Chennai hosts the events in rotation.
Which of the above statements is/are correct?