S. 254(2A) : Appellate Tribunal-Stay-Provision for automatic vacation of stay on completion of 365 days, whether or not assessee responsible for delay in hearing appeal-Discriminatory and arbitrary-Proviso to be read to provide for vacation of stay on expiry of periods in question only where delay attributable to assessee-The expression “permissible” policy of taxation would refer to a policy that is constitutionally permissible. If the policy is itself arbitrary and discriminatory, such policy will have to be struck down. [Art. 14, 226]