Gros Islet [St Lucia], June 24 (ANI): Australia captain Mitchell Marsh won the toss and opted to field against India in their must-win Super 8 clash in the T20 World Cup match at Daren Sammy National Cricket Stadium here. After suffering an unexpected setback against Afghanistan in their previous game, ‘Baggy Greens’ need to defeat the unbeaten Rohit Sharma-led side. If Australia ends up losing the game, then to qualify for the final four they will need Bangladesh to defeat Afghanistan. After winning the toss, Australia skipper Mitchell Marsh said, “We are going to bowl first. Looks a belter, …