Little-known player Arun Karthik smashed a six off the final ball to clinch victory for Bangalore over the South Australia Redbacks on Wednesday and keep Indian interest alive.

Enthusiasm has been lacking at many matches as Indian fans remain disappointed at their team’s recent disastrous tour of England.

Bangalore plays 2009 champion New South Wales in the first semifinal Friday while the Mumbai Indians meet qualifier Somerset Saturday at Chennai. The winners will meet in the final Sunday.