S.147: Reassessment-After the expiry of four years-Disallowance of expenditure-Exempt income-No failure to disclose material facts-Reassessment notice and order disposing the objection is quashed by High Court-Delay of 457 days-SLP of Revenue is dismissed on the ground that reasons assigned are neither satisfactory nor sufficient in law to condone the delay of 457 days. [S. 14A, 148, 263, Art. 136]