- Article 343 Constitution of India: Official language of the Union
- Article 344 Constitution of India: Commission and Committee of Parliament on official language
- Article 345 Constitution of India: Official language or languages of a State
- Article 346 Constitution of India: Official language for communication between one State and another or between a State and the Union
- Article 347 Constitution of India: Special provision relating to language spoken by a section of the population of a State
- Article 348 Constitution of India: Language to be used in the Supreme Court and in the High Courts and for Acts, Bills, etc.
- Article 349 Constitution of India: Special procedure for enactment of certain laws relating to language
- Article 350 Constitution of India: Language to be used in representations for redress of grievances
- Article 350A Constitution of India: Facilities for instruction in mother-tongue at primary stage
- Article 350B Constitution of India: Special Officer for linguistic minorities
- Article 351 Constitution of India: Directive for development of the Hindi language
- Article 352 Constitution of India: Proclamation of Emergency