S. 201 : Deduction at source-Failure to deduct or pay-Assessee in default-Limitation-Reasonable period-Order of Tribunal holding that order passed by after four years is barred by limitation is not proper, legal or justified-Binding precedent-Matter is remanded to the Commissioner of Income-tax (Appeals)for passing fresh orders. [S. 195, 201(1),201(IA), 260A]