The Forum may reject the grievance at any stage under any or more of the following circumstances:-
(a) in cases where proceedings in respect of the same matter and between the same Complainant and the licensee are pending before any court, tribunal, arbitrator or any other authority, or a decree or award or a final order has already been passed by any such court, tribunal, arbitrator or authority;
(b) in cases which fall under sections 126, 127, 135 to 139, 152, and 161 of the Act;
(c) in cases where the grievance has been submitted two years after the date on which the cause of action has arisen; and
(d) in the case of grievances which are -
(i) frivolous, vexatious, malafide;
(ii) without any sufficient cause; or
(iii) where there is no prima facie loss or damage or inconvenience caused to the Complainant or the consumers who are represented by an association or group of consumers.