13. Contempts not punishable in certain cases .
Notwithstanding anything contained in any law for the time being in force,
(a) no Court shall impose a sentence under this Act for a contempt of Court unless it is satisfied that the contempt is of such a nature that it substantially interferes, or tends substantially to interfere with the due course of justice;
(b) the Court may permit, in any proceeding for contempt of Court, justification by truth as a valid defence if it is satisfied that it is in public interest and the request for invoking the said defence is bona fide.