Explanation:

- Section 20: This section is related to the powers of certain courts but does not concern second appeals.

- Section 41: This section deals with the provisions of second appeals under the Punjab Courts Act, 1918. It outlines the grounds on which second appeals can be made.

- Section 23: This section does not pertain to second appeals. It usually has different provisions unrelated to appellate matters.

- Section 24: This section isn’t about second appeals either; it generally addresses other judicial procedures.

Correct Answer: Section 41