SK 3767 26 June 2023: 3 very high res. images.
This appears to be a Stereospermum sp. [Bignoniaceae].
Earlier I missed the pods.
https://efloraofindia.com/2011/03/31/stereospermum/
We have 2 sp. in Nepal
http://www.efloras.org/florataxon.aspx?flora_id=110&taxon_id=131490
Pl. check which one is the best match, if possible.