Article 343 of the Indian Constitution states that the official language of the Union shall be Hindi in Devanagari script.

English is recognized as the associate official language of the Union under Article 343 of the Indian Constitution.

The Official Languages Act, 1963 was enacted to ensure the equal use of Hindi and English in official communication and to promote the spread of Hindi.

The Dinesh Goswami Committee was appointed by the Government of India in 1996 to review the implementation of the Official Languages Act, 1963.

The Three-Language Formula is a policy that aims to promote the use of regional languages in education and administration.

Odisha has the highest number of official languages, with three: Odia, English, and Sanskrit.

The Three-Language Formula is a policy that aims to promote the use of Hindi as the link language between different states in India.

Himachal Pradesh has the lowest number of official languages, with only one: Hindi.

The National Education Policy, 2020 aims to promote the use of English as the medium of instruction in higher education in India.

Uttar Pradesh has the highest number of speakers of a single language, with over 100 million speakers of Hindi.

The Language Policy of the Government of India aims to promote the use of regional languages in the judiciary in India.

Sikkim has the lowest number of speakers of a single language, with only about 200,000 speakers of Nepali.

The Official Languages Act, 1963 aims to promote the use of Hindi as the official language of the Union and to protect the linguistic rights of minorities.

Odisha has the highest number of languages spoken, with over 100 languages spoken in the state.

The Language Policy of the Government of India aims to promote the use of regional languages in the media in India.