As the notices under sections 142(1) & 143(2) were issued prior to the amalgamation with another company the assessment proceedings cannot held to be invalid. The AO can proceed with the assessment proceedings by transposing the amalgamating company as the assessee and issuing fresh notice under section 142(1) and complete the assessment proceedings. (AY. 2004-05, 2006-07 & 2007-08)
Cyient Ltd. v. Dy. CIT (2018) 194 TTJ 69 / 167 DTR 281(Hyd.)(Trib.)
S. 143(3) : Assessment–Assessment of amalgamating company-Notices were issued prior to the amalgamation with another company–Assessment proceedings cannot be held to be invalid. [S.142(1), 143(2)]