Languages of India
Until the Twenty-first Amendment of the Constitution of India in 1967, the country recognised 14 official regional languages. The Eighth Schedule and the Seventy-First Amendment provided for the inclusion of Sindhi, Konkani, Meitei and Nepali, thereby increasing the number of official regional languages of India to 18. The Eighth Schedule of the Constitution of India, as of 1 December 2007, lists 22 languages, which are given in the table below together with the speaking population and the regions where they are used. 
The individual states, the borders of most of which are or were drawn on socio-linguistic lines, can legislate their own official languages, depending on their linguistic demographics. The official languages chosen reflect the predominant as well as politically significant languages spoken in that state. Certain states having a linguistically defined territory may have only the predominant language in that state as its official language, examples being Karnataka and Gujarat, which have Kannada and Gujarati as their sole official language respectively. Telangana, with a sizeable Urdu-speaking Muslim population, has two languages, Telugu and Urdu, as its official languages.
Languages with official status in India
The position was thus that the Union government continues to use English in addition to Hindi for its official purposes as a "subsidiary official language," but is also required to prepare and execute a programme to progressively increase its use of Hindi. The exact extent to which, and the areas in which, the Union government uses Hindi and English, respectively, is determined by the provisions of the Constitution, the Official Languages Act, 1963, the Official Languages Rules, 1976, and statutory instruments made by the Department of Official Language under these laws.