India ensured that they will open their T20 World Cup campaign on Sunday with supreme confidence as their top guns have hit top form.

Led by vice-captain Rohit Sharma, India convincingly defeated Australia by eight wickets with 13 balls to spare in their second warm-up game at the ICC Cricket Academy ground in Dubai Sports City on Wednesday. India had also got the better of England in a high-scoring game on Monday in their first warm-up game.