Section 137 in Indian Evidence Act 1872
Title: Examination in chief
The examination of witness by the party who calls him shall be called his examination-in-chief.
Cross-examination. -- The examination of a witness by the adverse party shall be called his cross-examination.
Re-examination. -- The examination of a witness, subsequent to the cross-examination by the party who called him, shall be called his re-examination.
Title: Order of examinations
Witnesses shall be first examined-in-chief, then (if the adverse party so desires) cross-examined, then (if the party calling him so desires) re-examined.
The examination and cross-examination must relate to relevant facts but the cross-examination need not be confined to the facts to which the witness testified on his examination-in-chief.
Direction of re-examination. -- The re-examination shall be directed to the explanation of matters referred to in cross-examination; and, if new matter is, by permission of the Court, introduced in re-examination, the adverse party may further cross-examine upon that matter.
Title: Cross examination of person called to produce a document
A person summoned to produce a document does not become a witness by the mere fact that he produces it and cannot be cross-examined unless and until he is called as a witness.
Title: Witnesses to character
Witnesses to character may be cross-examined and re-examined
Title: Leading questions
Any question suggesting the answer which the person putting it wishes or expects to receive is called a leading question