Vitat Kohli is a classy batsman who has unimaginable concentration and technique. Once he is set, it takes a lot to remove him from the crease. However, time and again it has been seen that one of the ways to trap him is to somehow create some confrontation and induce him to sledging. Once that starts it all down the hill for a while.
Ideal example can be seen in the video below. Mitchell Johnson hits him with the ball, sledging starts. They Virat gives three edges and by share luck he survives and continues to score the century. Many teams are planning strategies to get Kohli out in world cup this year. He can be the pillar in their to winning over mighty Indian cricket team.