S. 264: Commissioner – Revision of other orders – Income wrongly offered to tax and paid taxes – Assessment completed under section 143(1))- Time for filing revised return under section 139(5) has expired – Double addition- Order of Commissioner dismissing the revision application is set aside – Commissioner is directed to allow the claim of the assessee by passing an appropriate order . [S.43B, 139(5), 143(1), Art.226 , 265]