2. Koruthaialos rubecula cachara.
You can seen the palpus 3rd segment sticking upright (slightly shiny) between the antennae.
K. rubecula.
Palpi (plural) 3rd segment long & projecting upright.
https://www.ifoundbutterflies.org/me...unte_ag467.jpg
http://4.bp.blogspot.com/-b_qzftxz-7...s+rubecula.jpg
K. butleri.
Palpi 3rd segment very short, like a knob/button.
https://www.flickr.com/photos/maanay/36495235916/
https://www.ifoundbutterflies.org/me...f4b25414-1.jpg
Similar to this K. sindu with a very short palpus 3rd segment.
http://4.bp.blogspot.com/-6RkAaBJ000...alos+sindu.jpg
MisIDed. K. rubecula.
https://www.ifoundbutterflies.org/me...09e3ee79-1.jpg
TL Seow: Cheers.