Q. Which part of Indian Constitution deals with the official language?

[A] Part XVII

[B] Part XV

[C] Part XVI

[D] Part XII

Answer: A
Notes:

Part XVII of the Indian Constitution deals with the official language in Articles 343 to 351. The Constitutional provisions relating to the Eighth Schedule occur in Article 344 (1) and 351 (Part XVII) of the Constitution.

Source: Laxmikanth