An examination is simply the process of asking relevant questions relating to the fact in the issue to a witness. The Indian Evidence Act, 1872 provided an examination of witnesses in civil and criminal cases.
The prosecutor begins the matter in criminal cases and initiated the examination of witnesses by the party calling him is Chief- examination, and by the other party is cross-examination Section 137.
The essential point to note relating to cross-examination 1. Cross-examination is conducted by the adverse party. 2. Conducting cross-examination without chief examination is not permissible. 3. The court has the power to put questions to the witness if he is confused during cross-examination.
Moreover, in the cross-examination, you would be asked questions about statements you had given to verify the credibility of the information that has been provided.