(2)The Appellate Tribunal may, at any time within four years from the date of the order, with a view to rectifying any mistake apparent from the record, amend any order passed by it under sub-section (1) and shall make such amendments if the mistake is brought to its notice by the Collector of Central Excise or of Customs or the other party to the appeal:Provided that an amendment which has the effect has the effect of enhancing any penalty or fine in lieu of confiscation or confiscating things of greater value shall not be made under this sub-section unless the Appellate Tribunal has given notice of its intention to do so, to the other party and has allowed him a reasonable opportunity of being heard.
