Hindi is the most spoken language of India, the world's second-most populated country. The script which is used to write Hindi is called "Devanagari".

Hindi (हिन्दी), or more precisely Modern Standard Hindi (मानक हिन्दी), is a standardized and Sanskritised register of the Hindustani language. Hindustani is the native language of people living in Delhi, Haryana, Uttar Pradesh, Bihar, Jharkhand, Madhya Pradesh and parts of Rajasthan. Hindi is one of the official languages of India and predominantly spoken by people in the Northern India.

Know more about Hindi, See Hindi Language wiki.