Dismissing the appeal of the revenue the Court held that a  notice issued in the name of the amalgamating entity after amalgamation is void because the amalgamating entity ceases to exist. Participation in the proceedings by the assessee cannot operate as an estoppel against law. This is a substantive illegality and not a procedural violation of the nature adverted to in s. 292BB. There is a value which the court must abide by in promoting the interest of certainty in tax litigation. Not doing so will only result in uncertainty and displacement of settled expectations. There is a significant value which must attach to observing the requirement of consistency and certainty. Individual affairs are conducted and business decisions are made in the expectation of consistency, uniformity and certainty. To detract from those principles is neither expedient nor desirable.  .( CANo 5409 of 2019, dt. 25.07.2019) (AY. 2012-13)