Which of the following is not a ground for rejection of a complaint by Banking Ombudsman?

Section 13 of Banking Ombudsman Scheme 2006 -Rejection of the complaint.- The Banking Ombudsman may reject a complaint at any stage if it appears to him that the complaint made is:-(a) not on the grounds of complaint referred to in clause 8; or (b) beyond the pecuniary jurisdiction of Banking Ombudsman prescribed under clause 12; or (c) frivolous, vexatious, malafide; or (d) without any sufficient cause; or (e) that it is not pursued by the complainant with reasonable diligence; or (f) in the opinion of the Banking Ombudsman there is no loss or damage or inconvenience caused to the complainant; or (g) requiring consideration of elaborate documentary and oral evidence and the proceedings before the Banking Ombudsman are not appropriate for adjudication of such complaint