The regiment embarked for New South Wales in June 1857 and then sailed for India in April 1858 to help suppress the Indian Rebellion before embarking for home again in April 1870. The regiment became 77th (the East Middlesex) Regiment of Foot (The Duke of Cambridge's Own) in June 1876 and were permitted to bear the coronet and cypher of Prince George, Duke of Cambridge on its colours and badges from December 1876. It embarked for India again in August 1880.