Megastar Amitabh Bachchan has urged his fans and well-wishers to pitch in to make ‘this world a better place for children’ by not employing them. He tweeted: “Each of us has the power to make this world a better place for children. #dont_employ_little_ones.” The cine icon has raised his voice against the social menace of child labour at a time when several celebrities like cricketing legend Sachin Tendulkar and chess maestro Viswanathan Anand, along with a number of stars.s