Nans urges fg nasu ssanu shift ground

It seems like you're referring to a news article or a statement made by a union or organization. Here's a possible breakdown of the sentence:

"NANS urges FG, NASU, SSANU to shift ground"

So, the sentence is likely saying that the National Association of Nigerian Students is urging the Federal Government, as well as the Non-Academic Staff Union of Educational and Associated Institutions and the Senior Staff Association of Nigerian Universities, to reconsider their positions on a particular issue.