Explanation:

- Section 75: Deals with the power of a court to issue commissions. These commissions can be for purposes such as examining a person, making a local investigation, or more. It's an essential part of the civil procedure to facilitate evidence gathering and fact verification.

- Correct Answer: Section 75 is the relevant section for the court's power to issue commissions.

- Section 72: This section is not related to commissions. It deals with different matters under the civil procedure code.

- Section 59: This section does not pertain to the issue of commissions. It typically handles other civil procedural aspects not relevant to issuing commissions.

- Section 78: This section is also unrelated to the topic of commissions and focuses on a different part of civil procedure.