Yup, that is a possibility too, looks very Ban-like. The weapon styles of the region do tend to blur a bit as they get sold and distributed beyond national borders. I'm tending towards the Nepali possibility at the moment, my initial thought on it was Nepali due to the grip. Blade looked a bit Ban-like, and the scabbard & dragons could be from anywhere (kothimora). The chape area looks a bit odd...
It does remind me of my Nepali version:
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