Which one of the following is correctly matched ?
Constitutional Body Constitutional Article

The correctly matched pair is National Commission for Backward Classes - 340. Here is the breakdown of the articles for the given options:

• Election Commission: Article 324. (Article 165 relates to the Advocate-General for the State).
• National Commission for Scheduled Castes: Article 338. (Article 148 relates to the Comptroller and Auditor-General of India).
• Finance Commission: Article 280. (Article 263 relates to the Inter-State Council).
• National Commission for Backward Classes: Article 340 provides for the appointment of a commission to investigate the conditions of backward classes. While the permanent NCBC was granted constitutional status under Article 338B via the 102^nd Amendment Act (2018), Article 340 remains the foundational constitutional provision for the identification and investigation of backward classes.