This what I have done to accomplish this task. I don't known this is the efficient way or not?
1) Created a Data-table and Transverse to each mail-item and added the EntryID,Subject etc in the Data-table.
2) Compared each element one by one using Select() on datatable and added this in DataRow [].
3) Then created mail-item using EntryId.
4) and removed or moved this mail-item
For 210 Email this process takes 25 secs. Please comment and tell me if this can be enchanced.