Hi Dom,
I think some are silent because this is a difficult one to call. It is a nicely executed piece and certainly worthy of a place in any collection but I can see where both sides are coming from. It has to me an Indian feel but not necessarily recent. Some of your photographs suggest that the patina/dirt has maybe been overcleaned, see the photo I have attached, it has signs of age in the corners. I hope experienced members will come in and maybe give you a more definitive answer. Regardless of 'age' it is a nice dagger I would be happy to own.
My Regards,
Norman.