S. 148A : Reassessment-Conducting inquiry, providing opportunity before issue of notice-Faceless Assessment-Violating principles of natural Justice-Failure to grant minimum of seven clear working days to respond to show-cause notice-Non-compliance with standard operating procedure-Matter remanded to faceless assessment unit to pass orders after considering reply of assessee. [S.144, 144B(6)(vii), 147, 148, 148A(b), 148A(d), Art. 226]