The correct answer is the Charter Act of 1833. • The charter act of 1833 changed the designation of the governor-general of Bengal to the governor-general of India. • It is also called the Saint Helena act of 1833. • The act received the royal assent on 28 August 1833. • The charter act of 1833 is considered as the final step towards centralization in British India. • The governor-general of India.was gives executive and legislative powers for entire British India. • Lord William Bentinck was the first governor-general of India. • The charter act of 1833 ended all activities of East India Company as a commercial body. • The act made the East India Company a purely administrative body. • The charter act of 1833 act was repealed by the Government of India act 1915. • Regulating act of 1773 laid the foundation of central administration in India. • It was the first step taken by the British government to control the affairs of the British East India company. • The governor of Bengal became the governor-general of Bengal by Regulating Act of 1773. • Government of India Act of 1858 was on 1^(st )November 1858. • It changed the designation of the governor-general of India to Viceroy of India. • Lord Canning was the last governor-general and the first Viceroy of India. • Government of India Act of 1935 is also called the blueprint of the Indian constitution. • It introduced a system of dyarchy at the center. • The act laid the foundation of democracy in India.