Held that return of income filed in the name of amalgamating company, i.e. a non-existent entity, after amalgamation are non est and therefore, the assessment order passed in the name of non-existent entity is in valid. Tribunal also held that when the Assessing Officer has assessed the income of the assessee independently, i.e. without considering the returns filed, he is duty-bound to give credit of taxes under section 199 and allow refund of tax in accordance with law after verifying the claim of refund. (AY. 2014-15)