Names of India in its official languages
The following table lists the names of India in its official languages. The sole official language of India is Hindi in Devanagari script as per Article 343 of the Indian constitution and there is no national language for the country. English has the status of a "subsidiary official language". The Eighth Schedule of the Indian Constitution lists 22 languages, which have been referred to as "scheduled" languages and given recognition, status, and official encouragement.
Hindi Belt
The Hindi Belt or Hindi Desh, sometimes referred to as the Hindi-Urdu Region, is a linguistic region in north-central India where Hindi (and the various languages/dialects grouped under it) and Urdu are widely spoken. Hindi belt is sometimes also used to refer to nine Indian states whose official language is Hindi and have a Hindi-speaking majority, namely Bihar, Chhattisgarh, Haryana, Himachal Pradesh, Jharkhand, Madhya Pradesh, Rajasthan, Uttarakhand , Uttar Pradesh and National Capital Territory of Delhi.