2 & c3 is Arhopala pseudomuta.
Key features are 1, FW postdiscal spot 4 is dislocated & shifted from the band , 2. HW postdiscal band is completely dislocated at vein 2 (near the 'V' spot/
https://www.butterflycircle.com/chec...-%20Horace.jpg
Similar species A. alitaeus.
https://www.butterflycircle.com/chec...le_Chng_01.jpg
1 is too difficult, but if it was taken in the same area is probably the female A. pseudomuta.
https://species.wikimedia.org/wiki/A...aMFUpUnAC1.jpg
TL Seow: Cheers.
Thank you Dr. Seow for the ID suggestion.
Ben Jin