Assamese language in the past. There are also significant Assamese-speaking communities in Australia, Dubai, the United Kingdom, Canada, Nepal and the United States. Assamese is the official language of Assam, and one of the 23 official languages recognised by the Republic of India. The Assam Secretariat functions in Assamese. The Assamese phonemic inventory consists of eight vowels, ten diphthongs, and twenty-three consonants (including two semivowels). Consonant clusters in Assamese include thirty three pure consonant letters in the Assamese alphabet. Each letter represents a single sound with an inherent vowel, the short vowel . The first twenty-five consonants letters are called "sparxa barna"
History of Assamese literature "Grammatical notes of the Assamese Language" first published in 1848 originally was not intended to be regarded as a grammar of the Assamese language but “they were commenced with the intention of printing only a few sheets, for private use of the most common grammatical forms.” However this book soon served as the first Assamese grammar book. He wrote books on elementary arithmetic and geography which were much superior to Bengali books used in schools at that time. In this he was assisted by his wife Eliza, who was a translator in her own right. Brown was also a pioneer