In which of the following grounds did Yuvraj Singh hit 6 sixes in an over of a T20 International match?

Kingsmead Stadium

The correct answer is Option (2) - Kingsmead Stadium

Yuvraj Singh achieved the historic feat of hitting 6 sixes in an over of a T20 International match during the inaugural ICC T20 World Cup in 2007. This remarkable display of power hitting occurred at Kingsmead Stadium in Durban, South Africa. It was a memorable moment in cricket history and solidified Yuvraj's reputation as one of the most explosive batsmen in the game.