S.80IA: Industrial undertakings – Enterprises engaged in infrastructure development -Strictures – Construction of roads and other infrastructure works- Concurrent findings of fact – Department failed to establish perversity or application of an erroneous legal test – High Court cannot reappreciate evidence or substitute its view for concurrent findings of fact in the absence of a substantial question of law – Departmental appeal dismissed.- The Court observed that departmental appeals under section 260A should not be filed routinely by mechanically framing purported substantial questions of law. The Court observed that the Departmental Authorities should look into these aspects of the matter and take corrective step(s), as may be deemed necessary. Copy was forwarded to the PCIT. [S.80IA(4), 260A.]