The Constitution of India chosen Hindi written in Devnagari script as the official language of the Government of Indiaas well as the English language too. There is no any National Language of India as mentioned in the Constitution of India. Hindi is used as official purpose like, in Parliament Proceedings, Judiciary, Communication between Central Government and State Governments. The Indian States have the liberty and powers to assign their own official language(s) through legislation. Therefore there are 22 officially recognized languages in India of which Hindi is the most used.
List of all the 22 languages specified in the constitution is as follows:
S.No. Language Spoken in States
1 Assamese Assam, Arunachal Pradesh.
2 Bengali West Bengal, Assam and Tripura, Andaman islands and Bangladesh.
3 Hindi Almost every part of the country including North-Central India.
4 Gujarati Gujarat, Daman and Diu.
5 Kashmiri Kashmir.
6 Kannada Karnataka.
7 Konkani It is the official language of Goa but spoken in Southern Maharashtra,
North Karnataka, Kerala also.
8 Manipuri Manipur, Assam, Mizoram, and Tripura.
9 Malayalam Southwestern Kerala, Lakshadweep, Karnataka and Tamil Nadu.
10 Marathi It is the official language of Maharashtra, it is spoken in Goa, Karnataka,
Gujarat, Daman and Diu and Dadar and Nagar Haveli.
11 Nepali It is the national language of Nepal. It is also spoken in Sikkim,
West Bengal, North-eastern states, Bhutan, Tibet and Myanmar.
12 Punjabi It is principle language of Punjab but spoken in Himachal Pradesh,
13 Odia Orissa.
14 Sanskrit At present; this language is not spoken in almost any part of India. But it
is still spoken in Mattur (Mathur) village of Karnataka state.
15 Tamil Tamil Nadu and Pondicherry
16 Sindhi Gujarat
17 Urdu It is an additional official language of Jammu & Kashmir, Telangana,
Delhi, Bihar, and Uttar Pradesh.
18 Bodo Bodo or Baro is a Tibetan-Burmese language spoken by Bodo people
living in north-east, Nepal and Bangladesh.
19 Telugu Andhra Pradesh and Telangana states.
20 Maithili Northern region of Bihar.
21 Santali Assam, Jharkhand, Odisha, Chhattisgarh, Bihar, Tripura and Bengal.
22 Dogri Jammu and Kashmir, Himachal Pradesh and Punjab. Dogri is
the dialect of Punjabi.