Amitabh Bachchan will now use his charisma to protect tigers. The 72-year-old actor has accepted the Maharashtra government’s invitation to become a brand ambassador for its ambitious Tiger Conservation projects, Finance and Forests Minister Sudhir Mungantiwar said, reports IANS. The superstar sent a formal letter to the state government accepting its proposal and invite. “Your expansive letter has educated me greatly on not just the Tiger Reserves within the state of Maharashtra but also the finer points on the importance of this campaign,” Amitabh wrote to Mungantiwar. “… I wish to accept your kind offer to render my services towards the state government’s initiative for Tiger Conservation. This (letter) may kindly be treated as my consent to represent the state of Maharashtra as its Tiger Ambassador,” he added.