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
'Prosperous' British India 'Prosperous' British India 'Prosperous' British India, more completely titled Prosperous' British India: A Revelation from Official Records, was a book published in 1901 by British author William Digby that described the economic conditions prevailing in British India in the latter half of the nineteenth century under British rule. It used official government statistics to illuminate the falling incomes and increasing impoverishment in India under British administration during that period. The book was influential and, at the time, attracted attention due to the imprinting of the actual falling per-capita income statistics in gold on the spine of the book itself. The