Harbhajan Singh is quite famous for knocking down trollers on social media .
This time Harbhajan Singh himself became the ' free hit ' for trollers after Harbhajan Singh tweeted that Sourav Ganguly is the best Indian cricket team captain ever .
Harbhajan Singh is quite famous for knocking down trollers on social media but this time he himself became the ' free hit ' for them after he tweeted that Sourav Ganguly is the best Indian cricket team captain ever .