Updated On: 29 September, 2014 08:52 AM IST | | IANS
<p>Hrithik Roshan is busy promoting 'Bang Bang!' and the actor says the biggest challenge in the film was to get blood out of his brain</p>

Hrithik Roshan in 'Bang Bang'
Hrithik Roshan is busy promoting 'Bang Bang!' and the actor says the biggest challenge in the film was to get blood out of his brain.

Hrithik Roshan in 'Bang Bang'. Pic/Santa Banta