In India, Hindi is the most common language spoken. India Hindi is written in Devanagari script is one of the official languages of the Government of India. The Hindi language is a member of the Indo- Aryan group under the Indo-Iranian branch of the Indo-European language family. The term Hindi is taken from the Persian word which is derived from the Sanskrit name Sindhu referring to the river Indus. The Hindi language is based on the Khariboli dialect of Delhi and the same part of northern India. Hindi is the official language of 9 states and 3 Union Territories. Around 43.63% percent of the Indian population speaks the Hindi language tell the 2011 language Census. Over 96% of northern and central Indian speak Hindi. Delhi, Uttar Pradesh, Bihar, Himachal Pradesh, Rajasthan, Madhya Pradesh, and Chhattisgarh speak mostly Hindi. Not only in Indian but also outside India Hindi is mostly speaking by the people. Hindi is the fourth most-spoken language in the world after Spanish, English, and Maridian. Hindi is the 22 scheduled language of India. In Nepal, about 77,569 people speak Hindi as the first language. Hindi is the protected language in South Africa. Hindi literature is broadly divided into four forms that are Bhakti, Srngar, Vigatha, Adhunik. Hindi Diwas is celebrated on 14th September and Hindi becomes the national language of India.