Assamese language in East Goalpariya and Kamrupi, otherwise used extensively further east. The change of to and then to ; all these have been attributed to Tibeto-Burman influence by Dr. Chatterjee. Assamese, Odia and Bengali, in contrast to other Indo-Aryan languages, use the velar nasal (the English "ng" in "sing") extensively. In many languages, while the velar nasal is commonly restricted to preceding velar sounds, in Assamese it can occur intervocalically. This is another feature it shares with other languages of Northeast India, though in Assamese the velar nasal never occurs word-initially. Eastern Indic languages like Assamese, Bengali, Sylheti, and Odia do
Assamese language become infused with the eastern idiom, became the standard literary form in the nineteenth century, when the British adopted it for state purposes. As the political and commercial center shifted to Guwahati after the mid-twentieth century, the literary form moved away from the eastern variety to take its current form. Assamese is native to Brahmaputra Valley consisting of western and eastern Assam. It is also spoken in states of Arunachal Pradesh and Nagaland. Presence of Assamese script can be found in Rakhine state of present Myanmar. Pashupati temple in Nepal also have inscription in Assamese showing its influence and prosperity