S. 127 : Power to transfer cases-Centralisation of assessment-Once case is centralised transfer of case without decentralisation order or transfer order is contrary to provision-Transfer of case is invalid-Transferee Assessing Officer has no inherent jurisdiction to pass assessment orders making additions to income-Assessment orders and orders of Tribunal is set aside-Liberty Given To Proceed In Accordance With Law Through Jurisdictional Assessing Officer-Interpretation of taxing statute-Machinery Provision.[S. 56(2)(viia), 120, 124, 127(2), Art. 226]