The Indian Penal Code (IPC) came into operation in the year 1862. The IPC is a comprehensive legislation that defines crimes, punishments, and procedures for the investigation of criminal offenses in India. It was enacted by the British colonial government in response to the need for a uniform criminal code that would govern the entire Indian subcontinent.

Option 1 - 1858: This is not the correct answer. The IPC was not in operation in 1858.

Option 2 - 1860: This is not the correct answer. While it is close, the correct year is 1862.

Option 3 - 1859: This is not the correct answer. The IPC was not in operation in 1859.

Therefore, the correct answer is option 4 - 1862.