Revision.

Your pic looks to be a female since there is a slight angulation of the HW.
Practically all malea have rounded HWs.

If a female then perhaps M. gaesa.


Mating pair M. biggsii.
https://nss.org.sg/butterflies_list/...php?img_id=589


The dislocation of FW spot 6 may be slight as same in the female on the left.
http://www.butterflycircle.com/check...20-%20bene.jpg

TL Seow: Cheers.