Without prejudice to any provision made by Parliament relating to the powers, privileges and immunities of the National Assembly and its committees, or the privileges and immunities of the members and officers of the Assembly and of other persons concerned in the business of the Assembly or its committees, no civil or criminal proceedings may be or written in a report to, the Assembly or a committee thereof or by reason of any matter or thing brought by him therein by petition, bill, resolution, motion or otherwise.