My most challenging role so far was in 'Mardaani': Tahir Raj Bhasin

Discussing the most challenging role of his career so far, actor Tahir Raj Bhasin named his anti-hero character in Rani Mukerji-starrer 'Mardaani' which marked his Bollywood debut in 2014. "There was a lot of pressure of having to prove myself. It was also very different and so far-removed from my comfort zone," said Tahir.