SK 3568 22 June 2022: 6 very high res. images.
Habit : Wild
Appears Acanthaceae member.
Looks like Andrographis but did not find an exact match. Only one sp. Andrographis paniculata (Burm. f.) Nees is listed for Nepal.
My best guess (and it is only a guess as the specimen is very immature) is Strobilanthes hamiltoniana.