I have to file return of an individual ( men- Myself) for AY 2011-12 after due date of filing on 14/03/2013 but after filing one mistake found in my return I was file my return U/S 139(1). So Pl give me advise my revised return in which U/S file ( U/S 139(5) or U/S 139(4). My other data and annual income is same.