Ready to accept new challenging roles: Amitabh Bachchan

Bollywood superstar Amitabh Bachchan is ready to play roles, which he has not done yet in his career spanning over 45 years."I would love to do roles that I have not done. I will accept this as a challenge," Bachchan said at the pre-release press conference for his upcoming film Wazir.Bachchan, clad in a light brown jacket and black trousers, said he had worked with actors of his time like Shashi Kapoor, Dharmendra and Vinod Khanna among others."But working with new generation actors and directors is definitely a learning experience and which I love to do," he said."I consider myself fortunate to act with young actors and acting with them makes me learn a lot. I am fortunate to get work and hope to get them. The industry has tolerated me a lot," he said.The younger generation has a different way of thinking with a different viewpoint, Bachchan said.Wazir, produced by Vidhu Vinod Chopra and directed by Bijoy Nambiar, has a cast comprising Big B, Farhan Akhtar, Aditi Rao Hydari and Neil Nitin Mukesh. Asked to comment on various actors like SRK and Aamir Khan speaking on social issues and then getting into controversy, Bachchan said, "We are the same people like before. Now I am involved with many social causes, which I will like to keep it to myself.