S. 254(2) : Appellate Tribunal-Rectification of mistake apparent from the record-Delay of 3052 days-Period of limitation would commence from date when affected party got knowledge of decision in question and it would not commence from date when order was passed-Tribunal cannot dismiss the appeal for non appearance, it has to decide on merits-Cost of Rs.10,000 was imposed on the assessee for each year of appeal. [S.254 (1) 260A]