This is too difficult trying to ID Lycaenids from the upperside.
1. & 2 are probably the male & female of Sinthusa chandrana or 2 is a male Sinthusa virgo.
http://yutaka.it-n.jp/lyc4i/83870010.html
https://www.ifoundbutterflies.org/sp...husa-chandrana
http://yutaka.it-n.jp/lyc4i/83880001.html
https://www.ifoundbutterflies.org/#!...Sinthusa-virgo
3 Unknown.
4 & 5. Arhopala eumophus.
The FW spot 4 is shifted outwards from the band.
On the HW postdiscal spot 6 have its outer margin notched.
https://www.ifoundbutterflies.org/sp...pala-eumolphus
https://www.ifoundbutterflies.org/me...d670626946.jpg
A. singla is very similar but the HW is heavily variegated.
The postdiscal spots are joined by the discal & cell spots to form a 'V'.
In A. eumolphus the discal is a separated small spot.
https://www.ifoundbutterflies.org/sp...rhopala-singla
https://i.pinimg.com/originals/3b/86...7a20875e1a.jpg
TL Seow: Cheers.