Linguistic rights
The constitution of India was first drafted on January 26, 1950. It is estimated that there are about 1500 languages in India. Article 343–345 declared that the official languages of India for communication with centre will be Hindi and English. There are 22 official languages identified by constitution. Article 345 states that "the Legislature of a state may by law adopt any one or more of the languages in use in the State or Hindi as the language or languages to be used for all or any of the official purposes of that State: Provided that, until the Legislature of the State otherwise provides by law, the English language shall continue to be used for those official purposes within the State for which it was being used immediately before the commencement of this Constitution".
Northeast India
According to 2011 Census of India, the largest cities in Northeast India are 
Northeast India constitutes a single linguistic region within the Indian national context, with about 220 languages in multiple language families (Indo-European, Trans-Himalayan/Sino-Tibetan, Kra–Dai, Austroasiatic, as well as some creole languages) that share a number of features that set them apart from most other areas of the Indian subcontinent (such as alveolar consonants rather than the more typical dental/retroflex distinction). Assamese, an Indo-Aryan language spoken mostly in the Brahmaputra Valley, developed as a "lingua franca" for many speech communities. Assamese-based pidgin/creoles have developed in Nagaland (Nagamese) and Arunachal (Nefamese), though their use has been on a decline in recent times. The Austro-Asiatic family is represented by the Khasi, Jaintia and War languages of Meghalaya. A small number of Tai–Kadai languages (Ahom, Tai Phake, Khamti, etc.) are also spoken. Trans-Himalayan/Sino-Tibetan is represented by a number of languages that differ significantly from each other, some of which are: Bodo, Rabha, Karbi, Mising, Tiwa, Deori, Biate etc. (Assam); Garo, Hajong, Biate (Meghalaya) Ao, Angami, Sema, Lotha, Konyak etc.(Nagaland); Mizo, Hmar, Chakma (Mizoram); Hrusso, Tanee, Nisi, Adi, Abor, Nocte, Apatani, Misimi etc. (Arunachal). Meitei is the official language in Manipur, the dominant language of the Imphal Valley; while "Naga" languages such as Poumai, Mao, Maram, Rongmei (Kabui) and Tangkul, and Kuki-Chin languages such as Thadou, Hmar, Simte and Paite predominate in individual hill areas of the state.