Defending champions India will take on co-hosts Australia in the second semi-final of the ongoing Cricket World Cup at Sydney, tomorrow. The match will begin at 9 am. All India Radio will broadcast live commentary on the match. The commentary can be heard on Rajdhani channel and FM Gold network from 8.30 am onwards.In the thrilling first semi-final at Auckland yesterday, co-hosts New Zealand beat South Africa by four wickets to make their maiden entry into the World Cup final. The final will be played at Melbourne on Sunday.