Northeast India when they became relatively isolated from traditional trading partners such as Bhutan and Myanmar. Many of the peoples in present-day Mizoram, Meghalaya and Nagaland converted to Christianity under the influence of British (Welsh) missionaries. In the early 19th century, both the Ahom and the Manipur kingdoms fell to a Burmese invasion. The ensuing First Anglo-Burmese War resulted in the entire region coming under British control. In the colonial period (1826–1947), North East India was made a part of Bengal Province from 1839 to 1873, when Assam became its own province. After Indian Independence from British Rule in 1947, the Northeastern
Secretary of State for India Secretary of State for India The Secretary of State for India or India Secretary was the British Cabinet minister and the political head of the India Office responsible for the governance of the British Raj (India), Aden, and Burma. The post was created in 1858 when the East India Company's rule in Bengal ended and India except for the Princely States was brought under the direct administration of the government in London, beginning the official colonial period under the British Empire. In 1937, the India Office was reorganised which separated Burma and Aden under a new Burma Office, but the