Sorry I just cannot believe the Alexander myth. It smacks of Victorian bollocks, like Congo knives being dropped from trees "the Congolese live in trees you know" Then adopted by the "COLLECTORS" The Victornian collectors had intertests in ideas of collections from noble races. We know collector belief can become very firmly entrenched. As for visiting museums that can be purely just a collection, perhaps with a little knowledge based on the old story. Who is not going to tell the wealthy visitor what they want to hear?
The Victorians had no idea of Mohenjo-Daro when forming these ideas of Greek influence.
Just the idea that the Western world formed from Greco/Roman base has no vestige of such a splendid weapon should make one question the idea that one small pocket of people should adopt this weapon and nothing else of the culture.
In this map of Alexanders route to India he got nowhere near Napal. Why not find the Kukri {outside of British Empire production} in Pakistan and the other lands on his advance and retreat.
http://www.utexas.edu/courses/ancien....php?linenum=8