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
Colonial India Olson concludes that the East India Company's attempt to annexe and expand its direct control of India, by arbitrary laws such as Doctrine of Lapse, combined with employment discrimination against Indians, contributed to the 1857 Rebellion. The East India Company officers lived like princes, the company finances were in shambles, and the company's effectiveness in India was examined by the British crown after 1858. As a result, the East India Company lost its powers of government and British India formally came under direct British rule, with an appointed Governor-General of India. The East India Company was dissolved the following year