Explanation:

- Section 157: This section of the Indian Evidence Act deals with the provision that former statements of a witness may be used to corroborate later testimony regarding the same fact.

- This is the correct answer.

- Section 102: This section pertains to the burden of proof shifting according to the facts raised by the parties and does not relate to corroborating witness testimony.

- Section 171: This addresses matters related to payments made to witnesses and the protections associated with them.

- Section 169: Concerns the rights of an appointed receiver and does not pertain to witness statements.