S. 151A : Face less assessment scheme-Reassessment-Jurisdiction-Notices and order under sections 148A and 148 issued by Jurisdictional Assessing Officer (JAO) instead of Faceless Assessing Officer (FAO) as required by scheme under section 151A-Proceedings held invalid and without jurisdiction. [S.148, 148A(b), 148A(b),Art. 226]