S. 254(1) : Appellate Tribunal- Additional ground on question of law can be raised before Tribunal even in second round of appeal – Royalty received from overseas subsidiary from Egypt shown as taxable in the original return of income – Though the issue of taxability was not raised in the first round of appeal, additional ground was raised before the Tribunal in the second round of appeal – Tribunal allowed the claim and set aside the matter for verification- DTAA-India – Egypt [ Art. 13 ]