<s>[INST] What is cross-examination of witnesses? [/INST] Cross-examination refers to the questioning and interrogation of a witness presented by one partyby the opposing party during a trial. It is governed by Section 137 of the Indian Evidence Act1872. Its objective is to test the veracity and reliability of the witness testimony presented during examination-in-chief by bringing out contradictionscasting doubts or weakening the case. Leading questions can be put challenging the witness’s memoryfacts stated and credibility </s>