Which of the following is/are true regarding INS Arihant, a nuclear submarine that was launched by the Indian Navy recently? I.          Its launch makes India only the sixth country in the world to possess a nuclear submarine after USA, Russia, Britain, China and France. II.         Tata Steel was the private sector company that built the hull of the submarine III.        The enriched uranium fuel for the reactor was supplied by the Rare Materials Project, Mysore