Punishment for false evidence
193.  Whoever intentionally gives false evidence in any stage of a judicial proceeding, or fabricates false evidence for the purpose of being used in any stage of a judicial proceeding, shall be punished with imprisonment for a term which may extend to 7 years, and shall also be liable to fine; and whoever intentionally gives or fabricates false evidence in any other case, shall be punished with imprisonment for a term which may extend to 3 years, and shall also be liable to fine.
     Explanation 1.—A trial before a court martial is a judicial proceeding.
     Explanation 2.—An investigation directed by law preliminary to a proceeding before a court of justice, is a stage of a judicial proceeding, though that investigation may not take place before a court of justice.
Illustration
     A, in an inquiry before a Magistrate for the purpose of ascertaining whether Z ought to be committed for trial, makes on oath a statement which he knows to be false. As this inquiry is a stage of a judicial proceeding, A has given false evidence.
     Explanation 3.—An investigation directed by a court of justice according to law, and conducted under the authority of a court of justice, is a stage of a judicial proceeding, though that investigation may not take place before a court of justice.
Illustration
     A, in an inquiry before an officer deputed by a court of justice to ascertain on the spot the boundaries of land, makes on oath a statement which he knows to be false. As this inquiry is a stage of a judicial proceeding, A has given false evidence.