S. 264 :Commissioner – Revision of other orders – Revised return filed beyond limitation period rectifying the mistake – Rejection of application is held to be not valid – Matter is remitted back to the CIT for considering the claim of the petitioner and pass appropriate orders within a period of six weeks from the date of receipt of a copy of this order-No tax shall be collected except by authority of law . [ S. 139(1), 139(5) , 154 ,Art .226, Art .265 ]