The President Smt. Pratibha Devisingh Patil today received a Guard of Honour on board the Indian Navy's sole aircraft carrier 'INS Viraat', anchored at the Western Naval Headquarters in Mumbai. President Patil, the supreme commander of the armed forces, later witnessed various naval ships that steamed past 'Viraat' and paid honours to her. There was also a demonstration by 'Sea King' helicopters and 'Sea Harrier' aircraft, followed by a breathtaking fly-past.<br/>