NEW DELHI, October 15: Hosts Don Bosco and Carmel Convent School scored big victories over New Green Field School and Modern School (Barakhamba), respectively, in the Nike-Don Bosco invitational basketball tournament.In a totally one-sided match, Don Bosco won 47-16 and Carmel Convent triumphed 49-19. For Donbosco, Anmol (17) and Gaurav (12) scored while Meghna (16) and Prilika (13) were the scorers for Carmel Convent.In the other matches, Mount St Mary's School defeated New Green Field (Saket) 57-44, St Columba's won over Rayan International 23-19 and DPS (Mathura Road) beat Blue Bellks (57-49).NVS games: Hyderabad region won the overall championship of the IX Navodaya Vidyalaya Schools National Games. Jaipur region got the runners-up title.