Darsheel Safary, the child actor of Aamir Khan starrer 'Taare Zameen Par' is ready to take on the world as a hero now with roles that have a longer shelf life and are relatable. "I feel I'm now ready as an actor to take up more challenging roles and bring relevant, relatable stories to the audience. I would like to carefully choose my projects here on. I wish to be part of cinema that satiates the creative hunger in me as an actor, with the idea to be a part of stories that has a long shelf life.," he told Outlook.