[Where under this Act or by the rules made thereunder] anything is liable to confiscation or any person is liable to a penalty, such confiscation or penalty may be adjudged
(a) without limit, by a 286[Principal Commissioner of Central Excise or Commissioner of Central Excise];
(b) up to confiscation of goods not exceeding five hundred rupees in value and imposition of penalty not exceeding two hundred and fifty rupees, by an Assistant 287[Principal Commissioner of Central Excise or Commissioner of Central Excise] 288[or Deputy 289[Principal Commissioner of Central Excise or Commissioner of Central Excise]]: