3. Probably Arhopala aurea.
FW margin straight .
Triangular black spot in space 2 somewhat flat.
Stout tail base at vein 2.
https://www.inaturalist.org/observations/176986642


A aurea ;flatter black triangualr spot ;no purple wash.
http://www.butterflycircle.com/check...la-aurea-..jpg

A.trogon.
http://www.butterflycircle.com/check...race%20Tan.jpg