S.147A: Reassessment – Face less Assessment – Assessing Officer for the purposes of sections 148, 148A – Constitutional validity – Retrospective amendment – Section 147A introduced with retrospective effect from 1-4-2021 to provide that Assessing Officer for purposes of sections 148 and 148A would mean an Assessing Officer other than National Faceless Assessment Centre/assessment unit – Amendment seeking to neutralise judgments of constitutional Courts holding that notices under section 148 were required to be issued by faceless Assessing Officer – Legislature cannot directly overrule or set aside judgments of constitutional Courts without removing the basis of such judgments – Section 147A held unconstitutional and struck down – Notices under section 148 issued by jurisdictional Assessing Officers without random automated allocation and in faceless manner also quashed – Writ petitions allowed. [ Art. 14, 19(1)(g), 265 of the Constitution of India, S. 130, 144B(3 ) 147 , 148, 151A .]