The language for the time being authorised for use in the Union for official purposes shall be the official language for communication between one State and another State and between a State and the Union:

Provided that if two or more States agree that the Hindi language should be the official language for communication between such States, that language may be used for such communication.

Article 346, Constitution of India 1950

Provided that if two or more States agree that the Hindi language should be the official language for communication between such States, that language may be used for such communication.

Article 346: Official language for communication between one State and another or between a State and the Union.

Part III: Fundamental Rights

Provided that if two or more States agree that the Hindi language should be the official language for communication between such States, that language may be used for such communication.

Constitution of India 1950

Article 346, Constitution of India 1950

Provided that if two or more States agree that the Hindi language should be the official language for communication between such States, that language may be used for such communication.