Explanation:

- Article 342: This article empowers the President to specify the tribes or tribal communities as Scheduled Tribes for each state and union territory. It is integral for granting them certain legal protections and benefits.

- Article 343: Focuses on the official language of the Union, stating that Hindi in Devanagari script is the official language.

- Article 344: Relates to the formation of a commission to recommend the use of languages for various purposes, especially in relation to Article 343.

- Article 345: Allows the legislature of a state to adopt any one or more of the languages in use in the state or Hindi as the language to be used for official state purposes.

Correct Answer: Option 1 - Article 342