Lord Mayo or Lord Naas served as 4th Viceroy of India from 12 January 1869 to 8 February 1872. He started the process of decentralization of finance. In foreign affairs, he followed the policy of non-intervention. He opened up Mayo College in Ajmer for educating children of the aristocratic families. India’s census began during his tenure. He was the first Governor General to be murdered in office by a Pathan Sher Ali in Port Blair.