Megastar Amitabh Bachchan's ambassadorship for UNICEF has been extended for another two years. In his blogpost Mr. Bachchan wrote that Unicef has extended his ambassadorship for another two years after success of polio drive. <br/><br/>Mr. Bachcan also wrote that now he is working for MR inoculation for kids. He had served as UNICEF Goodwill Ambassador for Polio in India. The World Health Organisation also appointed Bachchan as its goodwill ambassador for hepatitis in South-East Asia region to boost awareness and intensify action to arrest the epidemic.