S. 68: Cash credits-Share application money-Shell company-Mere production of incorporation certificates, PAN numbers, income tax returns, or showing that transactions were routed through banking channels could not discharge the burden of proof under section 68-Assessing Officer’s conclusion was founded upon tangible, cogent and independent evidence, and not on conjecture, addition made by Assessing Officer was justified-Order of Tribunal set side. [S. 260A]