Explanation:

- Section 56 – This section of the Indian Penal Code (IPC) is omitted. It previously dealt with assault on a public servant, which is covered under other sections now.

- Section 57 – This section is still part of the IPC. It relates to the calculation of fractions of terms of punishment.

- Section 58 – This section has been omitted from the IPC. It dealt with specific compensations regarding punishments.

- Section 59 – This section is also omitted. It dealt with certain compensatory provisions in the past.

Option 2: Section 57 is correct.