Explanation:

- Section 18: Deals with the transfer of cases by a High Court when there is doubt about jurisdiction within its limits.

- Section 20: Pertains to the place of suing—i.e., where a suit can be instituted.

- Section 25: Deals with the power of the Supreme Court to transfer suits, appeals, or other proceedings from one High Court or civil court in one State to another High Court or civil court in another State.

- Section 28: Relates to the institution of suits in respect of immovable property situated within the jurisdiction of different courts.

Correct Answer:

Option 3 – Section 25