Modern Standard Hindi
Hindi or Modern Standard Hindi is a standardised and Sanskritised register of the Hindustani language. Along with the English language, it is written in the Devanagari script, which is the official language of the Government of India. It is also one of the 22 scheduled languages of the Republic of India and it's the lingua franca of the so-called Hindi belt of India. Outside India, it is an official language which is known as Fiji Hindi in Fiji, and is a recognised regional language in Mauritius, Trinidad and Tobago, Guyana, and Suriname. It is the fourth most-spoken first language in the world, after Standard Mandarin Chinese, Spanish and English. Apart from specialized vocabulary, it is mutually intelligible with Standard Urdu, another recognized register of Hindustani.