Euthalia merta.
Normally in E. merta the arrowheads point outwards but this can be difficult to see as here.
The FW postdiscal band widen & contain a short dark bar at the upper costal end.
http://1.bp.blogspot.com/-q5JL1lXKi-...0/DSC_0312.JPG


E. kanda; This short bar at the upper end of the band is absent.
https://www.thaibutterflies.com/proj...uthalia-kanda/


TL Seow: Cheers.