Section 155 of the Indian Evidence Act, 1872
Impeaching credit of witness:The credit of a witness may be impeached in the following ways by the adverse party, or with the consent of the Court, by the party who calls him:— Image Source: blogdoamstalden.files.wordpress.com ADVERTISEMENTS: (1) By the evidence of persons who testify that they, from their knowledge of the witness believe him to be unworthy of credit;(2) By proof that the witness has been bribed, or has accepted the offer of a bribe, or has received any other corrupt inducement to give his evidence;(3) By proof of former statements inconsistent with any part of his evidence which is liable to be contradicted;Explanation: ADVERTISEMENTS: A witness declaring another witness to be unworthy of credit may not, upon his examination-in-chief, give reasons for his belief, but he may be asked…