 The validity of his acceptance on behalf of the Tibetan government has been questioned.The Tibetan exiled community claims that his signature of the Agreement was obtained under duress, and that, as only the governor of Chamdo, signature of the agreement exceeded his powers of representation and is therefore invalid.In his biography "My Land and My People", the Dalai Lama claims that in 1952, the acting Tibetan Prime Minister Lukhangwa told Chinese representative Zhang Jingwu that the Tibetan "people did not accept the agreement".