Explanation:

- Option 1: Section 586 Cr. P.C.

- There is no Section 586 in the Code of Criminal Procedure. It might be a typo or incorrect reference.

- Option 2: Section 387 Cr. P.C.

- This section deals with sentencing a person convicted of an offense and does not pertain to appeals when the accused pleads guilty.

- Option 3: Section 375 Cr. P.C.

- This section states no appeal is allowed in cases where an accused has pleaded guilty and been convicted on that plea, except regarding the extent or legality of the sentence.

- Option 4: Section 289 Cr. P.C.

- This section pertains to the examination of witnesses and does not relate to appeals following a guilty plea.