I assume you mean a variation on the technique of pounding silver wire onto a scored surface.  I usually call such types of decoration "overlay" as opposed to "inlay," which is, of course, silver wire forced into a carved channel.  In the absence of an appropriate Burmese term, I think English is fine (or, at least, preferable to the Indian term).
		 
		
		
		
		
		
		
		
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