Section 41(2)(xxiii) in Rules of Procedure and Conduct of Business in Lok Sabha
(xxiii)it shall not ordinarily ask about matters pending before any statutory tribunal or statutory authority performing any judicial or quasi-judicial functions or any commission or court of enquiry appointed to enquire into, or investigate, any matter but may refer to matters concerned with procedure or subject or stage of enquiry, if it is not likely to prejudice the consideration of the matter by the tribunal or commission or court of enquiry.]