There are around 22 languages recognized by the Indian Constitution. These languages are

1.Assamese
2.Bengali
3.Bodo
4.Dogri
5.Gujrati
6.Hindi
7.Kannada
8.Kashmiri
9.Konkani
10.Maithili
11.Malayalam
12.Manipuri
13.Marathi
14.Nepali
15.Oriya
16.Punjabi
17.Sanskrit
18.Santhali
19.Sindhi
20.Tamil
21.Telugu
22.Urdu

Hindi is the official and main link language of India. Its homeland is mainly in the north of India, but it is spoken and widely understood in all urban centers of India. It is written in the Devanagri script, which is phonetic and, unlike English, is pronounced as it is written. Hindi is a direct descendant of Sanskrit through Prakrit and Apabhramsha. It has been influenced and enriched by Dravidian, Turkish, Farsi, Arabic, Portugese and English. It is a very expressive language. In poetry and songs, it can convey emotions using simple and gentle words. It can also be used for exact and rational reasoning.