Explanation:

- Section 105 of the Indian Evidence Act deals with the burden of proof in relation to exceptions.

- It states that when a person is accused of any offence, the burden of proving the existence of circumstances bringing the case within any of the General Exceptions in the Indian Penal Code, or within any special exception or proviso contained in any other part of the same Code, or in any law defining the offence, is upon him and the court shall presume the absence of such circumstances.

- This section is primarily applied in criminal trials.

- It does not apply to civil trials.

Correct Answer: Option 1 - criminal trials