According to the Barelwi scholars, tawaf around graves would be perfectly fine for special people. This was explicitly mentioned by Mawlana Amjad Ali in his accepted book Bahare Shari’at. In the fourth parth, on page 90 he states:
“And tawaf ta’zimi (for reverence) around the grave is not allowed, but if circumambulates around the grave to gain blessings, then there is no harm in this. But awwam (laymen) would be stopped from this and [this] should not be performed in front of the laymen…”
See here for the original scan: http://i69.photobucket.com/albums/i72/khanbaba21/BaharShariah-Tawaf.jpg
We ask our Barelwi brothers one simple question: Is there any reference to a classical Hanafi book allowing tawaf for khawass?