S. 2(7A) : Assessing Officer – Jurisdiction- The Addl CIT is an Assessing Officer, he can act as such only if there is a notification issued by the CBDT u/s 120(4)(b) or if there is an order u/s 127 transferring jurisdiction from the DCIT to the Addl CIT -In the absence of either, the assessment order is without jurisdiction and has to be quashed as null and void- No estoppel against the law- Additional ground of assessee on jurisdictional issue is allowed . [ S. 2(28c ),120(4) 127 , 254(1) ]
Tata Communications Ltd. v. Addl. CIT (Mum)(Trib),www.itatonline.org