ARTICLES 337. Special provision with respect to educational grants for the benefit of Anglo-Indian Community. 338. National Commission for Scheduled Castes. 338A. National Commission for Scheduled Tribes. 339. Control of the Union over the administration of Scheduled Areas and the welfare of Scheduled Tribes. 340. Appointment of a Commission to investigate the conditions of backward classes. 341. Scheduled Castes. 342. Scheduled Tribes. PART XVII OFFICIAL LANGUAGE CHAPTER I.—LANGUAGE OF THE UNION 343. Official language of the Union. 344. Commission and Committee of Parliament on official language. CHAPTER II. REGIONAL LANGUAGES 345. Official language or languages of a State. 346. Official language for communication between one State and another or between a State and the Union. 347. Special provision relating to language spoken by a section of the population of a State. CHAPTER III.LANGUAGE OF THE SUPREME COURT, HIGH COURTS, ETC. 348. Language to be used in the Supreme Court and in the High Courts and for Acts, Bills, etc. 349. Special procedure for enactment of certain laws relating to language. CHAPTER IV.SPECIAL DIRECTIVES 350. Language to be used in representations for redress of grievances. 350A. Facilities for instruction in mother-tongue at primary stage. 350B. Special Officer for linguistic minorities. 351. Directive for development of the Hindi language. PART XVIII EMERGENCY PROVISIONS 352. Proclamation of Emergency. 353. Effect of Proclamation of Emergency. 354. Application of provisions relating to distribution of revenues while a Proclamation of Emergency is in operation. 355. Duty of the Union to protect States against external aggression and internal disturbance. 356. Provisions in case of failure of constitutional machinery in States. 357. Exercise of legislative powers under Proclamation issued under article 356. 358. Suspension of provisions of article 19 during emergencies. 359. Suspension of the enforcement of the rights conferred by Part III during emergencies. 359A. [Repealed.] 360. Provisions as to financial emergency. 18