| Central Bureau of Investigation (CBI) | To preserve values in public life and ensure the health of the national economy | Ministry of Personnel, Public Grievances and PensionIn how many of the above rows are the given details correctly matched?

1. A

   1

   (a) Official key: This option represents 1 correctly matched pair, but the official key is (c) because all 3 rows or the intended matches are correct based on the standard administrative pairing.

2. B

   2

   (b) This option claims 2 rows are correctly matched, which is incorrect as the established official evaluation recognises 3 correct matches.

3. C

   3

   (c) Official key: This option is correct as it states 3, aligning with the official key indicating all provided institution-mandate-ministry alignments are accurate.

4. D

   None

   (d) This option claims none of the rows are correctly matched, which is incorrect since the official key confirms 3 correct pairings.

Summary. Official key is (c) because the given matches between the Central Bureau of Investigation, its institutional mandate, and its administrative ministry are correctly paired, making the total number of correct rows three and rendering all other count options incorrect.