<p>After 'Raanjhanaa', Dhanush waited for about eight months and went through some 33 scripts before 'Shamitabh' happened, which he feels is the toughest role in his career.<br /><br /></p>.<p>"A lot of scripts came my way after 'Raanjhanaa'. I thinkI read about 33 scripts but there was nothing solid to back upmy first Hindi film. I kept waiting for about eight monthswhen R Balki called. He is like 'if you are free for a coupleof hours do drop in'. After a two-hour narration I knew I was doing it," Dhanush told PTI in an interview.<br /><br />The 31-year-old actor believes 'Shamitabh' is a great opportunity for him to learn from the best.<br /><br />"It would be my toughest role in my 28 films career. It was mentally very taxing. The character was not easy to play.Hopefully, I have done a convincing job and lived up to the director's expectations and people's expectations if they have any," he said.<br /><br />Dhanush is sharing the screen space with Amitabh Bachchan and newcomer Akshara Haasan in the film, which is slated to release this Friday.<br /><br />When asked about his biggest challenge while facing thecamera for 'Shamitabh', Dhanush said he just wanted to be able to do justice to Bachchan's voice.<br /><br />"It was a great opportunity to learn from the best and I tried to absorb as much as possible. I was nervous only because handling the majestic voice of Amit ji is not easy. I was worried whether I will be able to carry his majestic voice in my small frame," Dhanush said.<br /><br />It is a busy month for the actor, who has a very successful career in Tamil cinema, as he will start promoting his next Tamil film 'Anegan' before beginning the shoot on 'Maari'.</p>
<p>After 'Raanjhanaa', Dhanush waited for about eight months and went through some 33 scripts before 'Shamitabh' happened, which he feels is the toughest role in his career.<br /><br /></p>.<p>"A lot of scripts came my way after 'Raanjhanaa'. I thinkI read about 33 scripts but there was nothing solid to back upmy first Hindi film. I kept waiting for about eight monthswhen R Balki called. He is like 'if you are free for a coupleof hours do drop in'. After a two-hour narration I knew I was doing it," Dhanush told PTI in an interview.<br /><br />The 31-year-old actor believes 'Shamitabh' is a great opportunity for him to learn from the best.<br /><br />"It would be my toughest role in my 28 films career. It was mentally very taxing. The character was not easy to play.Hopefully, I have done a convincing job and lived up to the director's expectations and people's expectations if they have any," he said.<br /><br />Dhanush is sharing the screen space with Amitabh Bachchan and newcomer Akshara Haasan in the film, which is slated to release this Friday.<br /><br />When asked about his biggest challenge while facing thecamera for 'Shamitabh', Dhanush said he just wanted to be able to do justice to Bachchan's voice.<br /><br />"It was a great opportunity to learn from the best and I tried to absorb as much as possible. I was nervous only because handling the majestic voice of Amit ji is not easy. I was worried whether I will be able to carry his majestic voice in my small frame," Dhanush said.<br /><br />It is a busy month for the actor, who has a very successful career in Tamil cinema, as he will start promoting his next Tamil film 'Anegan' before beginning the shoot on 'Maari'.</p>