Article (4): The eighth schedule of the constitution of India describes 18 different languages:

 Hindi
 Kashmiri
 Gujarati
 Bengali
 Assamese
 Konkani
 Malyalam
 Manipuri
 Punjabi
 Urdu
 Sanskrit
 Sindhi
 Tamil
 Telugu
 Marathi
 Nepali
 Kannada
 Oriya to be spoken in different regions of India.